diff --git a/.babelrc b/.babelrc
index 0558174..3fb471b 100644
--- a/.babelrc
+++ b/.babelrc
@@ -1,3 +1,10 @@
 {
-  "presets": ["es2015", "stage-2"]
+  "presets": ["es2015", "stage-2"],
+  "plugins": ["transform-runtime"],
+  "ignore": "test/**",
+  "env": {
+    "test": {
+      "plugins": ["istanbul"]
+    }
+  }
 }
diff --git a/.travis.yml b/.travis.yml
index 3e69b31..e2f4941 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,6 @@ language: node_js
 
 node_js:
   - "4"
-  - "5"
   - "6"
 
 # Use container-based Travis infrastructure.
@@ -13,4 +12,7 @@ branches:
     - master
 
 script:
-  - yarn run check
+  - yarn test
+
+after_success:
+  - $(yarn bin)/nyc report --reporter=text-lcov | $(yarn bin)/coveralls
diff --git a/README.md b/README.md
index 25a0ae5..8e1e7cc 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # graphbrainz
 
-[![build status](https://travis-ci.org/exogen/graphbrainz.svg?branch=master)](https://travis-ci.org/exogen/graphbrainz)
+[![build status](https://img.shields.io/travis/exogen/graphbrainz.svg)](https://travis-ci.org/exogen/graphbrainz)
+[![coverage](https://img.shields.io/coveralls/exogen/graphbrainz.svg)](https://coveralls.io/github/exogen/graphbrainz)
 [![latest release](https://img.shields.io/npm/v/graphbrainz.svg?label=latest+release)](https://www.npmjs.com/package/graphbrainz)
 [![license](https://img.shields.io/npm/l/graphbrainz.svg)](https://github.com/exogen/graphbrainz/blob/master/LICENSE)
 
diff --git a/package.json b/package.json
index cfe6f8b..c114d0a 100644
--- a/package.json
+++ b/package.json
@@ -24,16 +24,19 @@
     "build:lib": "babel --out-dir lib src",
     "clean": "npm run clean:lib",
     "clean:lib": "rm -rf lib",
-    "check": "npm run lint && npm run test",
     "deploy": "./scripts/deploy.sh",
     "lint": "standard --verbose | snazzy",
-    "prepublish": "npm run clean && npm run check && npm run build",
+    "prepublish": "npm run clean && npm test && npm run build",
     "print-schema": "babel-node scripts/print-schema.js",
     "print-schema:json": "npm run print-schema -- --json",
     "print-schema:md": "printf '```graphql\\n%s\\n```' \"$(npm run -s print-schema)\"",
     "start": "node lib/index.js",
     "start:dev": "nodemon --exec babel-node src/index.js",
-    "test": "mocha --compilers js:babel-register",
+    "test": "npm run lint && npm run test:coverage",
+    "test:coverage": "cross-env NODE_ENV=test nyc npm run test:only",
+    "test:only": "cross-env VCR_MODE=cache ava",
+    "test:record": "rimraf test/fixtures && npm run test:only -- --serial",
+    "test:watch": "npm run test:only -- --watch",
     "update-schema": "npm run -s print-schema:json > schema.json"
   },
   "keywords": [
@@ -56,6 +59,7 @@
   },
   "license": "MIT",
   "dependencies": {
+    "babel-runtime": "^6.18.0",
     "chalk": "^1.1.3",
     "compression": "^1.6.2",
     "dashify": "^0.2.2",
@@ -74,20 +78,44 @@
     "retry": "^0.10.0"
   },
   "devDependencies": {
+    "ava": "^0.17.0",
     "babel-cli": "^6.18.0",
     "babel-eslint": "^7.1.1",
+    "babel-plugin-istanbul": "^3.0.0",
+    "babel-plugin-transform-runtime": "^6.15.0",
     "babel-preset-es2015": "^6.18.0",
     "babel-preset-stage-2": "^6.18.0",
     "babel-register": "^6.18.0",
-    "chai": "^3.5.0",
+    "coveralls": "^2.11.15",
+    "cross-env": "^3.1.3",
     "doctoc": "^1.2.0",
     "marked": "^0.3.6",
-    "mocha": "^3.2.0",
     "nodemon": "^1.11.0",
+    "nyc": "^10.0.0",
+    "rimraf": "^2.5.4",
+    "sepia": "^2.0.2",
     "snazzy": "^5.0.0",
     "standard": "^8.6.0"
   },
   "standard": {
     "parser": "babel-eslint"
+  },
+  "ava": {
+    "require": [
+      "babel-register"
+    ]
+  },
+  "nyc": {
+    "include": [
+      "src/**"
+    ],
+    "reporter": [
+      "lcov",
+      "text"
+    ],
+    "all": true,
+    "cache": true,
+    "sourceMap": false,
+    "instrument": false
   }
 }
diff --git a/src/api.js b/src/api.js
index 78e2f2e..b3a2262 100644
--- a/src/api.js
+++ b/src/api.js
@@ -34,6 +34,7 @@ export default class MusicBrainz {
     baseURL = process.env.MUSICBRAINZ_BASE_URL || 'http://musicbrainz.org/ws/2/',
     userAgent = `${pkg.name}/${pkg.version} ` +
       `( ${pkg.homepage || pkg.author.url || pkg.author.email} )`,
+    extraHeaders = {},
     timeout = 60000,
     // MusicBrainz API requests are limited to an *average* of 1 req/sec.
     // That means if, for example, we only need to make a few API requests to
@@ -56,6 +57,7 @@ export default class MusicBrainz {
   } = {}) {
     this.baseURL = baseURL
     this.userAgent = userAgent
+    this.extraHeaders = extraHeaders
     this.timeout = timeout
     this.limiter = new RateLimit({ limit, period, concurrency })
     this.retryOptions = {
@@ -90,7 +92,7 @@ export default class MusicBrainz {
         qs: { ...params, fmt: 'json' },
         json: true,
         gzip: true,
-        headers: { 'User-Agent': this.userAgent },
+        headers: { 'User-Agent': this.userAgent, ...this.extraHeaders },
         timeout: this.timeout
       }
 
@@ -132,19 +134,19 @@ export default class MusicBrainz {
   }
 
   stringifyParams (params) {
-    if (typeof params.inc === 'object') {
+    if (Array.isArray(params.inc)) {
       params = {
         ...params,
         inc: params.inc.join('+')
       }
     }
-    if (typeof params.type === 'object') {
+    if (Array.isArray(params.type)) {
       params = {
         ...params,
         type: params.type.join('|')
       }
     }
-    if (typeof params.status === 'object') {
+    if (Array.isArray(params.status)) {
       params = {
         ...params,
         status: params.status.join('|')
diff --git a/test/api.js b/test/api.js
new file mode 100644
index 0000000..fad747a
--- /dev/null
+++ b/test/api.js
@@ -0,0 +1,39 @@
+import path from 'path'
+import test from 'ava'
+import sepia from 'sepia'
+import MusicBrainz from '../src/api'
+
+sepia.fixtureDir(path.join(__dirname, 'fixtures'))
+
+test.beforeEach(t => {
+  t.context.client = new MusicBrainz()
+})
+
+test('getLookupURL() generates a lookup URL', t => {
+  const { client } = t.context
+  t.is(client.getLookupURL('artist', 'c8da2e40-bd28-4d4e-813a-bd2f51958ba8', {
+    inc: ['recordings', 'release-groups']
+  }), 'artist/c8da2e40-bd28-4d4e-813a-bd2f51958ba8?inc=recordings%2Brelease-groups')
+})
+
+test('getBrowseURL() generates a browse URL', t => {
+  const { client } = t.context
+  t.is(client.getBrowseURL('recording', {
+    artist: 'c8da2e40-bd28-4d4e-813a-bd2f51958ba8',
+    limit: null,
+    offset: 0
+  }), 'recording?artist=c8da2e40-bd28-4d4e-813a-bd2f51958ba8&offset=0')
+})
+
+test('getSearchURL() generates a search URL', t => {
+  const { client } = t.context
+  t.is(client.getSearchURL('artist', 'Lures', { inc: null }), 'artist?query=Lures')
+})
+
+test('lookup() sends a lookup query', t => {
+  const { client } = t.context
+  return client.lookup('artist', 'c8da2e40-bd28-4d4e-813a-bd2f51958ba8').then(response => {
+    t.is(response.id, 'c8da2e40-bd28-4d4e-813a-bd2f51958ba8')
+    t.is(response.type, 'Group')
+  })
+})
diff --git a/test/fixtures/456168a862ec0ca28127f067e3f166e7 b/test/fixtures/456168a862ec0ca28127f067e3f166e7
new file mode 100644
index 0000000..bcf1360
Binary files /dev/null and b/test/fixtures/456168a862ec0ca28127f067e3f166e7 differ
diff --git a/test/fixtures/456168a862ec0ca28127f067e3f166e7.headers b/test/fixtures/456168a862ec0ca28127f067e3f166e7.headers
new file mode 100644
index 0000000..60c160a
--- /dev/null
+++ b/test/fixtures/456168a862ec0ca28127f067e3f166e7.headers
@@ -0,0 +1,29 @@
+{
+  "statusCode": 200,
+  "headers": {
+    "date": "Wed, 07 Dec 2016 07:23:58 GMT",
+    "content-type": "application/json; charset=utf-8",
+    "transfer-encoding": "chunked",
+    "connection": "keep-alive",
+    "keep-alive": "timeout=15",
+    "vary": "Accept-Encoding",
+    "x-ratelimit-limit": "700",
+    "x-ratelimit-remaining": "493",
+    "x-ratelimit-reset": "1481095439",
+    "server": "Plack::Handler::Starlet",
+    "etag": "W/\"4401734fbc36b86339b05ac714ef9b07\"",
+    "access-control-allow-origin": "*",
+    "content-encoding": "gzip"
+  },
+  "url": "http://musicbrainz.org:80/ws/2/artist/c8da2e40-bd28-4d4e-813a-bd2f51958ba8?fmt=json",
+  "time": 402,
+  "request": {
+    "method": "GET",
+    "headers": {
+      "User-Agent": "graphbrainz/3.0.1 ( https://github.com/exogen/graphbrainz )",
+      "host": "musicbrainz.org",
+      "accept-encoding": "gzip, deflate",
+      "accept": "application/json"
+    }
+  }
+}
\ No newline at end of file
diff --git a/test/rate-limit.js b/test/rate-limit.js
new file mode 100644
index 0000000..282a56e
--- /dev/null
+++ b/test/rate-limit.js
@@ -0,0 +1,15 @@
+import test from 'ava'
+import RateLimit from '../src/rate-limit'
+
+test('defaults to 1 request per second', t => {
+  const limiter = new RateLimit()
+  t.is(limiter.limit, 1)
+  t.is(limiter.period, 1000)
+})
+
+test('concurrency defaults to limit', t => {
+  let limiter = new RateLimit()
+  t.is(limiter.concurrency, 1)
+  limiter = new RateLimit({ limit: 5 })
+  t.is(limiter.concurrency, 5)
+})
diff --git a/test/rate-limit.spec.js b/test/rate-limit.spec.js
deleted file mode 100644
index 30faeed..0000000
--- a/test/rate-limit.spec.js
+++ /dev/null
@@ -1,18 +0,0 @@
-/* global describe, it */
-import { expect } from 'chai'
-import RateLimit from '../src/rate-limit'
-
-describe('RateLimit', () => {
-  it('defaults to 1 request per second', () => {
-    const limiter = new RateLimit()
-    expect(limiter.limit).to.equal(1)
-    expect(limiter.period).to.equal(1000)
-  })
-
-  it('concurrency defaults to limit', () => {
-    let limiter = new RateLimit()
-    expect(limiter.concurrency).to.equal(1)
-    limiter = new RateLimit({ limit: 5 })
-    expect(limiter.concurrency).to.equal(5)
-  })
-})
diff --git a/test/schema.js b/test/schema.js
new file mode 100644
index 0000000..9534438
--- /dev/null
+++ b/test/schema.js
@@ -0,0 +1,42 @@
+import path from 'path'
+import test from 'ava'
+import sepia from 'sepia'
+import { graphql } from 'graphql'
+import MusicBrainz from '../src/api'
+import schema from '../src/schema'
+import createLoaders from '../src/loaders'
+
+sepia.fixtureDir(path.join(__dirname, 'fixtures'))
+
+test.beforeEach(t => {
+  const client = new MusicBrainz()
+  const loaders = createLoaders(client)
+  t.context = { client, loaders }
+})
+
+test('schema has a lookup query', t => {
+  const query = `
+    {
+      lookup {
+        artist (mbid: "c8da2e40-bd28-4d4e-813a-bd2f51958ba8") {
+          mbid
+          name
+          type
+        }
+      }
+    }
+  `
+  return graphql(schema, query, null, t.context).then(result => {
+    t.deepEqual(result, {
+      data: {
+        lookup: {
+          artist: {
+            mbid: 'c8da2e40-bd28-4d4e-813a-bd2f51958ba8',
+            name: 'Lures',
+            type: 'Group'
+          }
+        }
+      }
+    })
+  })
+})
diff --git a/yarn.lock b/yarn.lock
index 4ae2ffc..bb9406c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -32,16 +32,34 @@ ajv-keywords@^1.0.0:
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-1.2.0.tgz#676c4f087bfe1e8b12dca6fda2f3c74f417b099c"
 
 ajv@^4.7.0:
-  version "4.9.0"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.9.0.tgz#5a358085747b134eb567d6d15e015f1d7802f45c"
+  version "4.9.1"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.9.1.tgz#08e1b0a5fddc8b844d28ca7b03510e78812ee3a0"
   dependencies:
     co "^4.6.0"
     json-stable-stringify "^1.0.1"
 
+align-text@^0.1.1, align-text@^0.1.3:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/align-text/-/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
+  dependencies:
+    kind-of "^3.0.2"
+    longest "^1.0.1"
+    repeat-string "^1.5.2"
+
+amdefine@>=0.0.4:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
+
 anchor-markdown-header@^0.5.5:
   version "0.5.6"
   resolved "https://registry.yarnpkg.com/anchor-markdown-header/-/anchor-markdown-header-0.5.6.tgz#587c9d3c0c182e01a49d1f6d5a2877cf3e887872"
 
+ansi-align@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/ansi-align/-/ansi-align-1.1.0.tgz#2f0c1658829739add5ebb15e6b0c6e3423f016ba"
+  dependencies:
+    string-width "^1.0.1"
+
 ansi-escapes@^1.0.0, ansi-escapes@^1.1.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-1.4.0.tgz#d3a8a83b319aa67793662b13e761c7911422306e"
@@ -54,6 +72,10 @@ ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
 
+ansi-styles@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-1.0.0.tgz#cb102df1c56f5123eab8b67cd7b98027a0279178"
+
 anymatch@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-1.3.0.tgz#a3e52fa39168c825ff57b0248126ce5a8ff95507"
@@ -61,10 +83,18 @@ anymatch@^1.3.0:
     arrify "^1.0.0"
     micromatch "^2.1.5"
 
+append-transform@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/append-transform/-/append-transform-0.3.0.tgz#d6933ce4a85f09445d9ccc4cc119051b7381a813"
+
 aproba@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.0.4.tgz#2713680775e7614c8ba186c065d4e2e52d1072c0"
 
+archy@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/archy/-/archy-1.0.0.tgz#f9c8c13757cc1dd7bc379ac77b2c62a5c2868c40"
+
 are-we-there-yet@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/are-we-there-yet/-/are-we-there-yet-1.1.2.tgz#80e470e95a084794fe1899262c5667c6e88de1b3"
@@ -84,10 +114,22 @@ arr-diff@^2.0.0:
   dependencies:
     arr-flatten "^1.0.1"
 
+arr-exclude@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/arr-exclude/-/arr-exclude-1.0.0.tgz#dfc7c2e552a270723ccda04cf3128c8cbfe5c631"
+
 arr-flatten@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.0.1.tgz#e5ffe54d45e19f32f216e91eb99c8ce892bb604b"
 
+array-differ@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/array-differ/-/array-differ-1.0.0.tgz#eff52e3758249d33be402b8bb8e564bb2b5d4031"
+
+array-find-index@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"
+
 array-flatten@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
@@ -98,7 +140,7 @@ array-union@^1.0.1:
   dependencies:
     array-uniq "^1.0.1"
 
-array-uniq@^1.0.1:
+array-uniq@^1.0.1, array-uniq@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
 
@@ -106,7 +148,7 @@ array-unique@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/array-unique/-/array-unique-0.2.1.tgz#a1d97ccafcbc2625cc70fadceb36a50c58b01a53"
 
-arrify@^1.0.0:
+arrify@^1.0.0, arrify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
 
@@ -122,14 +164,18 @@ assert-plus@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/assert-plus/-/assert-plus-1.0.0.tgz#f12e0f3c5d77b0b1cdd9146942e4e96c1e4dd525"
 
-assertion-error@^1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/assertion-error/-/assertion-error-1.0.2.tgz#13ca515d86206da0bac66e834dd397d87581094c"
-
 async-each@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/async-each/-/async-each-1.0.1.tgz#19d386a1d9edc6e7c1c85d388aedbcc56d33602d"
 
+async@^1.4.0, async@^1.4.2:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
+
+async@~0.2.6:
+  version "0.2.10"
+  resolved "https://registry.yarnpkg.com/async/-/async-0.2.10.tgz#b6bbe0b0674b9d719708ca38de8c237cb526c3d1"
+
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
@@ -140,6 +186,113 @@ attach-ware@^2.0.0:
   dependencies:
     unherit "^1.0.0"
 
+auto-bind@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/auto-bind/-/auto-bind-0.1.0.tgz#7a29efc8c2388d3d578e02fc2df531c81ffc1ee1"
+
+ava-files@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/ava-files/-/ava-files-0.2.0.tgz#c7b8b6e2e0cea63b57a6e27e0db145c7c19cfe20"
+  dependencies:
+    auto-bind "^0.1.0"
+    bluebird "^3.4.1"
+    globby "^6.0.0"
+    ignore-by-default "^1.0.1"
+    lodash.flatten "^4.2.0"
+    multimatch "^2.1.0"
+    slash "^1.0.0"
+
+ava-init@^0.1.0:
+  version "0.1.6"
+  resolved "https://registry.yarnpkg.com/ava-init/-/ava-init-0.1.6.tgz#ef19ed0b24b6bf359dad6fbadf1a05d836395c91"
+  dependencies:
+    arr-exclude "^1.0.0"
+    cross-spawn "^4.0.0"
+    pinkie-promise "^2.0.0"
+    read-pkg-up "^1.0.1"
+    the-argv "^1.0.0"
+    write-pkg "^1.0.0"
+
+ava@^0.17.0:
+  version "0.17.0"
+  resolved "https://registry.yarnpkg.com/ava/-/ava-0.17.0.tgz#359e2a89616801ef03929c3cf10a9d4f8e451d02"
+  dependencies:
+    arr-flatten "^1.0.1"
+    array-union "^1.0.1"
+    array-uniq "^1.0.2"
+    arrify "^1.0.0"
+    auto-bind "^0.1.0"
+    ava-files "^0.2.0"
+    ava-init "^0.1.0"
+    babel-code-frame "^6.16.0"
+    babel-core "^6.17.0"
+    babel-plugin-ava-throws-helper "^0.1.0"
+    babel-plugin-detective "^2.0.0"
+    babel-plugin-espower "^2.3.1"
+    babel-plugin-transform-runtime "^6.15.0"
+    babel-preset-es2015 "^6.16.0"
+    babel-preset-es2015-node4 "^2.1.0"
+    babel-preset-stage-2 "^6.17.0"
+    babel-runtime "^6.11.6"
+    bluebird "^3.0.0"
+    caching-transform "^1.0.0"
+    chalk "^1.0.0"
+    chokidar "^1.4.2"
+    clean-yaml-object "^0.1.0"
+    cli-cursor "^1.0.2"
+    cli-spinners "^0.1.2"
+    cli-truncate "^0.2.0"
+    co-with-promise "^4.6.0"
+    common-path-prefix "^1.0.0"
+    convert-source-map "^1.2.0"
+    core-assert "^0.2.0"
+    currently-unhandled "^0.4.1"
+    debug "^2.2.0"
+    empower-core "^0.6.1"
+    figures "^1.4.0"
+    find-cache-dir "^0.1.1"
+    fn-name "^2.0.0"
+    get-port "^2.1.0"
+    has-flag "^2.0.0"
+    ignore-by-default "^1.0.0"
+    is-ci "^1.0.7"
+    is-generator-fn "^1.0.0"
+    is-obj "^1.0.0"
+    is-observable "^0.2.0"
+    is-promise "^2.1.0"
+    last-line-stream "^1.0.0"
+    lodash.debounce "^4.0.3"
+    lodash.difference "^4.3.0"
+    lodash.isequal "^4.4.0"
+    loud-rejection "^1.2.0"
+    matcher "^0.1.1"
+    max-timeout "^1.0.0"
+    md5-hex "^1.2.0"
+    meow "^3.7.0"
+    ms "^0.7.1"
+    object-assign "^4.0.1"
+    observable-to-promise "^0.4.0"
+    option-chain "^0.1.0"
+    package-hash "^1.1.0"
+    pkg-conf "^1.0.1"
+    plur "^2.0.0"
+    power-assert-context-formatter "^1.0.4"
+    power-assert-renderer-assertion "^1.0.1"
+    power-assert-renderer-succinct "^1.0.1"
+    pretty-ms "^2.0.0"
+    repeating "^2.0.0"
+    require-precompiled "^0.1.0"
+    resolve-cwd "^1.0.0"
+    semver "^5.3.0"
+    set-immediate-shim "^1.0.1"
+    source-map-support "^0.4.0"
+    stack-utils "^0.4.0"
+    strip-ansi "^3.0.1"
+    strip-bom "^2.0.0"
+    time-require "^0.1.2"
+    unique-temp-dir "^1.0.0"
+    update-notifier "^1.0.0"
+
 aws-sign2@~0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/aws-sign2/-/aws-sign2-0.6.0.tgz#14342dd38dbcc94d0e5b87d763cd63612c0e794f"
@@ -177,7 +330,7 @@ babel-code-frame@^6.16.0:
     esutils "^2.0.2"
     js-tokens "^2.0.0"
 
-babel-core@^6.18.0:
+babel-core@^6.17.0, babel-core@^6.18.0:
   version "6.18.2"
   resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.18.2.tgz#d8bb14dd6986fa4f3566a26ceda3964fa0e04e5b"
   dependencies:
@@ -211,7 +364,7 @@ babel-eslint@^7.1.1:
     babylon "^6.13.0"
     lodash.pickby "^4.6.0"
 
-babel-generator@^6.18.0:
+babel-generator@^6.1.0, babel-generator@^6.18.0:
   version "6.19.0"
   resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.19.0.tgz#9b2f244204777a3d6810ec127c673c87b349fac5"
   dependencies:
@@ -347,12 +500,44 @@ babel-messages@^6.8.0:
   dependencies:
     babel-runtime "^6.0.0"
 
+babel-plugin-ava-throws-helper@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-ava-throws-helper/-/babel-plugin-ava-throws-helper-0.1.0.tgz#951107708a12208026bf8ca4cef18a87bc9b0cfe"
+  dependencies:
+    babel-template "^6.7.0"
+    babel-types "^6.7.2"
+
 babel-plugin-check-es2015-constants@^6.3.13:
   version "6.8.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-check-es2015-constants/-/babel-plugin-check-es2015-constants-6.8.0.tgz#dbf024c32ed37bfda8dee1e76da02386a8d26fe7"
   dependencies:
     babel-runtime "^6.0.0"
 
+babel-plugin-detective@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-detective/-/babel-plugin-detective-2.0.0.tgz#6e642e83c22a335279754ebe2d754d2635f49f13"
+
+babel-plugin-espower@^2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/babel-plugin-espower/-/babel-plugin-espower-2.3.1.tgz#d15e904bc9949b14ac233b7965c2a5dc7a19a6a9"
+  dependencies:
+    babel-generator "^6.1.0"
+    babylon "^6.1.0"
+    call-matcher "^1.0.0"
+    core-js "^2.0.0"
+    espower-location-detector "^0.1.1"
+    espurify "^1.6.0"
+    estraverse "^4.1.1"
+
+babel-plugin-istanbul@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-3.0.0.tgz#da7324520ae0b8a44b6a078e72e883374a9fab76"
+  dependencies:
+    find-up "^1.1.2"
+    istanbul-lib-instrument "^1.1.4"
+    object-assign "^4.1.0"
+    test-exclude "^3.2.2"
+
 babel-plugin-syntax-async-functions@^6.8.0:
   version "6.13.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
@@ -465,7 +650,7 @@ babel-plugin-transform-es2015-computed-properties@^6.3.13:
     babel-runtime "^6.0.0"
     babel-template "^6.8.0"
 
-babel-plugin-transform-es2015-destructuring@^6.18.0:
+babel-plugin-transform-es2015-destructuring@^6.18.0, babel-plugin-transform-es2015-destructuring@^6.6.5:
   version "6.19.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-destructuring/-/babel-plugin-transform-es2015-destructuring-6.19.0.tgz#ff1d911c4b3f4cab621bd66702a869acd1900533"
   dependencies:
@@ -484,7 +669,7 @@ babel-plugin-transform-es2015-for-of@^6.18.0:
   dependencies:
     babel-runtime "^6.0.0"
 
-babel-plugin-transform-es2015-function-name@^6.9.0:
+babel-plugin-transform-es2015-function-name@^6.5.0, babel-plugin-transform-es2015-function-name@^6.9.0:
   version "6.9.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-function-name/-/babel-plugin-transform-es2015-function-name-6.9.0.tgz#8c135b17dbd064e5bba56ec511baaee2fca82719"
   dependencies:
@@ -506,7 +691,7 @@ babel-plugin-transform-es2015-modules-amd@^6.18.0:
     babel-runtime "^6.0.0"
     babel-template "^6.8.0"
 
-babel-plugin-transform-es2015-modules-commonjs@^6.18.0:
+babel-plugin-transform-es2015-modules-commonjs@^6.18.0, babel-plugin-transform-es2015-modules-commonjs@^6.7.4:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.18.0.tgz#c15ae5bb11b32a0abdcc98a5837baa4ee8d67bcc"
   dependencies:
@@ -538,7 +723,7 @@ babel-plugin-transform-es2015-object-super@^6.3.13:
     babel-helper-replace-supers "^6.8.0"
     babel-runtime "^6.0.0"
 
-babel-plugin-transform-es2015-parameters@^6.18.0:
+babel-plugin-transform-es2015-parameters@^6.18.0, babel-plugin-transform-es2015-parameters@^6.7.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-parameters/-/babel-plugin-transform-es2015-parameters-6.18.0.tgz#9b2cfe238c549f1635ba27fc1daa858be70608b1"
   dependencies:
@@ -549,20 +734,20 @@ babel-plugin-transform-es2015-parameters@^6.18.0:
     babel-traverse "^6.18.0"
     babel-types "^6.18.0"
 
-babel-plugin-transform-es2015-shorthand-properties@^6.18.0:
+babel-plugin-transform-es2015-shorthand-properties@^6.18.0, babel-plugin-transform-es2015-shorthand-properties@^6.5.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-shorthand-properties/-/babel-plugin-transform-es2015-shorthand-properties-6.18.0.tgz#e2ede3b7df47bf980151926534d1dd0cbea58f43"
   dependencies:
     babel-runtime "^6.0.0"
     babel-types "^6.18.0"
 
-babel-plugin-transform-es2015-spread@^6.3.13:
+babel-plugin-transform-es2015-spread@^6.3.13, babel-plugin-transform-es2015-spread@^6.6.5:
   version "6.8.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-spread/-/babel-plugin-transform-es2015-spread-6.8.0.tgz#0217f737e3b821fa5a669f187c6ed59205f05e9c"
   dependencies:
     babel-runtime "^6.0.0"
 
-babel-plugin-transform-es2015-sticky-regex@^6.3.13:
+babel-plugin-transform-es2015-sticky-regex@^6.3.13, babel-plugin-transform-es2015-sticky-regex@^6.5.0:
   version "6.8.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-sticky-regex/-/babel-plugin-transform-es2015-sticky-regex-6.8.0.tgz#e73d300a440a35d5c64f5c2a344dc236e3df47be"
   dependencies:
@@ -582,7 +767,7 @@ babel-plugin-transform-es2015-typeof-symbol@^6.18.0:
   dependencies:
     babel-runtime "^6.0.0"
 
-babel-plugin-transform-es2015-unicode-regex@^6.3.13:
+babel-plugin-transform-es2015-unicode-regex@^6.3.13, babel-plugin-transform-es2015-unicode-regex@^6.5.0:
   version "6.11.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-unicode-regex/-/babel-plugin-transform-es2015-unicode-regex-6.11.0.tgz#6298ceabaad88d50a3f4f392d8de997260f6ef2c"
   dependencies:
@@ -613,6 +798,12 @@ babel-plugin-transform-regenerator@^6.16.0:
     babel-types "^6.16.0"
     private "~0.1.5"
 
+babel-plugin-transform-runtime@^6.15.0:
+  version "6.15.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-runtime/-/babel-plugin-transform-runtime-6.15.0.tgz#3d75b4d949ad81af157570273846fb59aeb0d57c"
+  dependencies:
+    babel-runtime "^6.9.0"
+
 babel-plugin-transform-strict-mode@^6.18.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-strict-mode/-/babel-plugin-transform-strict-mode-6.18.0.tgz#df7cf2991fe046f44163dcd110d5ca43bc652b9d"
@@ -628,7 +819,20 @@ babel-polyfill@^6.16.0:
     core-js "^2.4.0"
     regenerator-runtime "^0.9.5"
 
-babel-preset-es2015@^6.18.0:
+babel-preset-es2015-node4@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/babel-preset-es2015-node4/-/babel-preset-es2015-node4-2.1.0.tgz#9852f281e2332b57d49c189841ac25466a6ebe98"
+  dependencies:
+    babel-plugin-transform-es2015-destructuring "^6.6.5"
+    babel-plugin-transform-es2015-function-name "^6.5.0"
+    babel-plugin-transform-es2015-modules-commonjs "^6.7.4"
+    babel-plugin-transform-es2015-parameters "^6.7.0"
+    babel-plugin-transform-es2015-shorthand-properties "^6.5.0"
+    babel-plugin-transform-es2015-spread "^6.6.5"
+    babel-plugin-transform-es2015-sticky-regex "^6.5.0"
+    babel-plugin-transform-es2015-unicode-regex "^6.5.0"
+
+babel-preset-es2015@^6.16.0, babel-preset-es2015@^6.18.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babel-preset-es2015/-/babel-preset-es2015-6.18.0.tgz#b8c70df84ec948c43dcf2bf770e988eb7da88312"
   dependencies:
@@ -657,7 +861,7 @@ babel-preset-es2015@^6.18.0:
     babel-plugin-transform-es2015-unicode-regex "^6.3.13"
     babel-plugin-transform-regenerator "^6.16.0"
 
-babel-preset-stage-2@^6.18.0:
+babel-preset-stage-2@^6.17.0, babel-preset-stage-2@^6.18.0:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babel-preset-stage-2/-/babel-preset-stage-2-6.18.0.tgz#9eb7bf9a8e91c68260d5ba7500493caaada4b5b5"
   dependencies:
@@ -688,14 +892,14 @@ babel-register@^6.18.0:
     mkdirp "^0.5.1"
     source-map-support "^0.4.2"
 
-babel-runtime@^6.0.0, babel-runtime@^6.11.6, babel-runtime@^6.9.0, babel-runtime@^6.9.1:
+babel-runtime@^6.0.0, babel-runtime@^6.11.6, babel-runtime@^6.18.0, babel-runtime@^6.9.0, babel-runtime@^6.9.1:
   version "6.18.0"
   resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.18.0.tgz#0f4177ffd98492ef13b9f823e9994a02584c9078"
   dependencies:
     core-js "^2.4.0"
     regenerator-runtime "^0.9.5"
 
-babel-template@^6.14.0, babel-template@^6.15.0, babel-template@^6.16.0, babel-template@^6.8.0:
+babel-template@^6.14.0, babel-template@^6.15.0, babel-template@^6.16.0, babel-template@^6.7.0, babel-template@^6.8.0:
   version "6.16.0"
   resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.16.0.tgz#e149dd1a9f03a35f817ddbc4d0481988e7ebc8ca"
   dependencies:
@@ -719,7 +923,7 @@ babel-traverse@^6.15.0, babel-traverse@^6.16.0, babel-traverse@^6.18.0:
     invariant "^2.2.0"
     lodash "^4.2.0"
 
-babel-types@^6.13.0, babel-types@^6.15.0, babel-types@^6.16.0, babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.8.0, babel-types@^6.9.0:
+babel-types@^6.13.0, babel-types@^6.15.0, babel-types@^6.16.0, babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.7.2, babel-types@^6.8.0, babel-types@^6.9.0:
   version "6.19.0"
   resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.19.0.tgz#8db2972dbed01f1192a8b602ba1e1e4c516240b9"
   dependencies:
@@ -728,7 +932,7 @@ babel-types@^6.13.0, babel-types@^6.15.0, babel-types@^6.16.0, babel-types@^6.18
     lodash "^4.2.0"
     to-fast-properties "^1.0.1"
 
-babylon@^6.11.0, babylon@^6.13.0:
+babylon@^6.1.0, babylon@^6.11.0, babylon@^6.13.0:
   version "6.14.1"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.14.1.tgz#956275fab72753ad9b3435d7afe58f8bf0a29815"
 
@@ -747,8 +951,14 @@ bcrypt-pbkdf@^1.0.0:
     tweetnacl "^0.14.3"
 
 binary-extensions@^1.0.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.7.0.tgz#6c1610db163abfb34edfe42fa423343a1e01185d"
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.8.0.tgz#48ec8d16df4377eae5fa5884682480af4d95c774"
+
+bl@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/bl/-/bl-1.1.2.tgz#fdca871a99713aa00d19e3bbba41c44787a65398"
+  dependencies:
+    readable-stream "~2.0.5"
 
 block-stream@*:
   version "0.0.9"
@@ -756,6 +966,10 @@ block-stream@*:
   dependencies:
     inherits "~2.0.0"
 
+bluebird@^3.0.0, bluebird@^3.4.1:
+  version "3.4.6"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.4.6.tgz#01da8d821d87813d158967e743d5fe6c62cf8c0f"
+
 boom@2.x.x:
   version "2.10.1"
   resolved "https://registry.yarnpkg.com/boom/-/boom-2.10.1.tgz#39c8918ceff5799f83f9492a848f625add0c766f"
@@ -766,6 +980,20 @@ boundary@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/boundary/-/boundary-1.0.1.tgz#4d67dc2602c0cc16dd9bce7ebf87e948290f5812"
 
+boxen@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/boxen/-/boxen-0.6.0.tgz#8364d4248ac34ff0ef1b2f2bf49a6c60ce0d81b6"
+  dependencies:
+    ansi-align "^1.1.0"
+    camelcase "^2.1.0"
+    chalk "^1.1.1"
+    cli-boxes "^1.0.0"
+    filled-array "^1.0.0"
+    object-assign "^4.0.1"
+    repeating "^2.0.0"
+    string-width "^1.0.1"
+    widest-line "^1.0.0"
+
 brace-expansion@^1.0.0:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.6.tgz#7197d7eaa9b87e648390ea61fc66c84427420df9"
@@ -781,14 +1009,18 @@ braces@^1.8.2:
     preserve "^0.2.0"
     repeat-element "^1.1.2"
 
-browser-stdout@1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.0.tgz#f351d32969d32fa5d7a5567154263d928ae3bd1f"
+buf-compare@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/buf-compare/-/buf-compare-1.0.1.tgz#fef28da8b8113a0a0db4430b0b6467b69730b34a"
 
 buffer-shims@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/buffer-shims/-/buffer-shims-1.0.0.tgz#9978ce317388c649ad8793028c3477ef044a8b51"
 
+builtin-modules@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
+
 bytes@2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-2.3.0.tgz#d5b680a165b6201739acb611542aabc2d8ceb070"
@@ -797,6 +1029,27 @@ bytes@2.4.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-2.4.0.tgz#7d97196f9d5baf7f6935e25985549edd2a6c2339"
 
+caching-transform@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/caching-transform/-/caching-transform-1.0.1.tgz#6dbdb2f20f8d8fbce79f3e94e9d1742dcdf5c0a1"
+  dependencies:
+    md5-hex "^1.2.0"
+    mkdirp "^0.5.1"
+    write-file-atomic "^1.1.4"
+
+call-matcher@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/call-matcher/-/call-matcher-1.0.0.tgz#eafa31036dbfaa9c0d1716f12ddacfd9c69ef22f"
+  dependencies:
+    core-js "^2.0.0"
+    deep-equal "^1.0.0"
+    espurify "^1.6.0"
+    estraverse "^4.0.0"
+
+call-signature@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/call-signature/-/call-signature-0.0.2.tgz#a84abc825a55ef4cb2b028bd74e205a65b9a4996"
+
 caller-path@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
@@ -807,10 +1060,29 @@ callsites@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/callsites/-/callsites-0.2.0.tgz#afab96262910a7f33c19a5775825c69f34e350ca"
 
-camelcase@^2.0.0:
+camelcase-keys@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/camelcase-keys/-/camelcase-keys-2.1.0.tgz#308beeaffdf28119051efa1d932213c91b8f92e7"
+  dependencies:
+    camelcase "^2.0.0"
+    map-obj "^1.0.0"
+
+camelcase@^1.0.2:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
+
+camelcase@^2.0.0, camelcase@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-2.1.1.tgz#7c1d16d679a1bbe59ca02cacecfb011e201f5a1f"
 
+camelcase@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-3.0.0.tgz#32fc4b9fcdaf845fcdf7e73bb97cac2261f0ab0a"
+
+capture-stack-trace@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/capture-stack-trace/-/capture-stack-trace-1.0.0.tgz#4a6fa07399c26bba47f0b2496b4d0fb408c5550d"
+
 caseless@~0.11.0:
   version "0.11.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.11.0.tgz#715b96ea9841593cc33067923f5ec60ebda4f7d7"
@@ -819,13 +1091,20 @@ ccount@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/ccount/-/ccount-1.0.1.tgz#665687945168c218ec77ff61a4155ae00227a96c"
 
-chai@^3.5.0:
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/chai/-/chai-3.5.0.tgz#4d02637b067fe958bdbfdd3a40ec56fef7373247"
+center-align@^0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/center-align/-/center-align-0.1.3.tgz#aa0d32629b6ee972200411cbd4461c907bc2b7ad"
   dependencies:
-    assertion-error "^1.0.1"
-    deep-eql "^0.1.3"
-    type-detect "^1.0.0"
+    align-text "^0.1.3"
+    lazy-cache "^1.0.3"
+
+chalk@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-0.4.0.tgz#5199a3ddcd0c1efe23bc08c1b027b06176e0c64f"
+  dependencies:
+    ansi-styles "~1.0.0"
+    has-color "~0.1.0"
+    strip-ansi "~0.1.0"
 
 chalk@^1.0.0, chalk@^1.1.0, chalk@^1.1.1, chalk@^1.1.3:
   version "1.1.3"
@@ -853,7 +1132,7 @@ character-reference-invalid@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/character-reference-invalid/-/character-reference-invalid-1.1.0.tgz#dec9ad1dfb9f8d06b4fcdaa2adc3c4fd97af1e68"
 
-chokidar@^1.0.0, chokidar@^1.0.5, chokidar@^1.4.3:
+chokidar@^1.0.0, chokidar@^1.0.5, chokidar@^1.4.2, chokidar@^1.4.3:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.6.1.tgz#2f4447ab5e96e50fb3d789fd90d4c72e0e4c70c2"
   dependencies:
@@ -868,20 +1147,65 @@ chokidar@^1.0.0, chokidar@^1.0.5, chokidar@^1.4.3:
   optionalDependencies:
     fsevents "^1.0.0"
 
+ci-info@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-1.0.0.tgz#dc5285f2b4e251821683681c381c3388f46ec534"
+
 circular-json@^0.3.0:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/circular-json/-/circular-json-0.3.1.tgz#be8b36aefccde8b3ca7aa2d6afc07a37242c0d2d"
 
+clean-yaml-object@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/clean-yaml-object/-/clean-yaml-object-0.1.0.tgz#63fb110dc2ce1a84dc21f6d9334876d010ae8b68"
+
+cli-boxes@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/cli-boxes/-/cli-boxes-1.0.0.tgz#4fa917c3e59c94a004cd61f8ee509da651687143"
+
 cli-cursor@^1.0.1, cli-cursor@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-1.0.2.tgz#64da3f7d56a54412e59794bd62dc35295e8f2987"
   dependencies:
     restore-cursor "^1.0.1"
 
+cli-spinners@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/cli-spinners/-/cli-spinners-0.1.2.tgz#bb764d88e185fb9e1e6a2a1f19772318f605e31c"
+
+cli-truncate@^0.2.0:
+  version "0.2.1"
+  resolved "http://registry.npmjs.org/cli-truncate/-/cli-truncate-0.2.1.tgz#9f15cfbb0705005369216c626ac7d05ab90dd574"
+  dependencies:
+    slice-ansi "0.0.4"
+    string-width "^1.0.1"
+
 cli-width@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.1.0.tgz#b234ca209b29ef66fc518d9b98d5847b00edf00a"
 
+cliui@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-2.1.0.tgz#4b475760ff80264c762c3a1719032e91c7fea0d1"
+  dependencies:
+    center-align "^0.1.1"
+    right-align "^0.1.1"
+    wordwrap "0.0.2"
+
+cliui@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+    wrap-ansi "^2.0.0"
+
+co-with-promise@^4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/co-with-promise/-/co-with-promise-4.6.0.tgz#413e7db6f5893a60b942cf492c4bec93db415ab7"
+  dependencies:
+    pinkie-promise "^1.0.0"
+
 co@3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/co/-/co-3.1.0.tgz#4ea54ea5a08938153185e15210c68d9092bc1b78"
@@ -904,12 +1228,20 @@ combined-stream@^1.0.5, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@2.9.0, commander@^2.0.0, commander@^2.8.1, commander@^2.9.0:
+commander@^2.0.0, commander@^2.8.1, commander@^2.9.0:
   version "2.9.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.9.0.tgz#9c99094176e12240cb22d6c5146098400fe0f7d4"
   dependencies:
     graceful-readlink ">= 1.0.0"
 
+common-path-prefix@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/common-path-prefix/-/common-path-prefix-1.0.0.tgz#cd52f6f0712e0baab97d6f9732874f22f47752c0"
+
+commondir@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
+
 compressible@~2.0.8:
   version "2.0.9"
   resolved "https://registry.yarnpkg.com/compressible/-/compressible-2.0.9.tgz#6daab4e2b599c2770dd9e21e7a891b1c5a755425"
@@ -952,6 +1284,20 @@ configstore@^1.0.0:
     write-file-atomic "^1.1.2"
     xdg-basedir "^2.0.0"
 
+configstore@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/configstore/-/configstore-2.1.0.tgz#737a3a7036e9886102aa6099e47bb33ab1aba1a1"
+  dependencies:
+    dot-prop "^3.0.0"
+    graceful-fs "^4.1.2"
+    mkdirp "^0.5.0"
+    object-assign "^4.0.1"
+    os-tmpdir "^1.0.0"
+    osenv "^0.1.0"
+    uuid "^2.0.1"
+    write-file-atomic "^1.1.2"
+    xdg-basedir "^2.0.0"
+
 console-control-strings@^1.0.0, console-control-strings@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
@@ -964,7 +1310,7 @@ content-type@^1.0.0, content-type@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.2.tgz#b7d113aee7a8dd27bd21133c4dc2529df1721eed"
 
-convert-source-map@^1.1.0:
+convert-source-map@^1.1.0, convert-source-map@^1.2.0, convert-source-map@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.3.0.tgz#e9f3e9c6e2728efc2676696a70eb382f73106a67"
 
@@ -976,7 +1322,14 @@ cookie@0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
 
-core-js@^2.4.0:
+core-assert@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/core-assert/-/core-assert-0.2.1.tgz#f85e2cf9bfed28f773cc8b3fa5c5b69bdc02fe3f"
+  dependencies:
+    buf-compare "^1.0.0"
+    is-error "^2.2.0"
+
+core-js@^2.0.0, core-js@^2.4.0:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.4.1.tgz#4de911e667b0eae9124e34254b53aea6fc618d3e"
 
@@ -984,12 +1337,54 @@ core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"
 
+coveralls@^2.11.15:
+  version "2.11.15"
+  resolved "https://registry.yarnpkg.com/coveralls/-/coveralls-2.11.15.tgz#37d3474369d66c14f33fa73a9d25cee6e099fca0"
+  dependencies:
+    js-yaml "3.6.1"
+    lcov-parse "0.0.10"
+    log-driver "1.2.5"
+    minimist "1.2.0"
+    request "2.75.0"
+
+create-error-class@^3.0.1:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/create-error-class/-/create-error-class-3.0.2.tgz#06be7abef947a3f14a30fd610671d401bca8b7b6"
+  dependencies:
+    capture-stack-trace "^1.0.0"
+
+cross-env@^3.1.3:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/cross-env/-/cross-env-3.1.3.tgz#58cd8231808f50089708b091f7dd37275a8e8154"
+  dependencies:
+    cross-spawn "^3.0.1"
+
+cross-spawn@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-3.0.1.tgz#1256037ecb9f0c5f79e3d6ef135e30770184b982"
+  dependencies:
+    lru-cache "^4.0.1"
+    which "^1.2.9"
+
+cross-spawn@^4, cross-spawn@^4.0.0:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-4.0.2.tgz#7b9247621c23adfdd3856004a823cbe397424d41"
+  dependencies:
+    lru-cache "^4.0.1"
+    which "^1.2.9"
+
 cryptiles@2.x.x:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/cryptiles/-/cryptiles-2.0.5.tgz#3bdfecdc608147c1c67202fa291e7dca59eaa3b8"
   dependencies:
     boom "2.x.x"
 
+currently-unhandled@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/currently-unhandled/-/currently-unhandled-0.4.1.tgz#988df33feab191ef799a61369dd76c17adf957ea"
+  dependencies:
+    array-find-index "^1.0.1"
+
 d@^0.1.1, d@~0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/d/-/d-0.1.1.tgz#da184c535d18d8ee7ba2aa229b914009fae11309"
@@ -1010,27 +1405,33 @@ dataloader@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/dataloader/-/dataloader-1.2.0.tgz#3f73ea657c492c860c1633348adc55ca9bf2107e"
 
-debug-log@^1.0.0:
+date-time@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/date-time/-/date-time-0.1.1.tgz#ed2f6d93d9790ce2fd66d5b5ff3edd5bbcbf3b07"
+
+debug-log@^1.0.0, debug-log@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/debug-log/-/debug-log-1.0.1.tgz#2307632d4c04382b8df8a32f70b895046d52745f"
 
-debug@2.2.0, debug@~2.2.0:
-  version "2.2.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.2.0.tgz#f87057e995b1a1f6ae6a4960664137bc56f039da"
-  dependencies:
-    ms "0.7.1"
-
 debug@^2.0.0, debug@^2.1.1, debug@^2.1.3, debug@^2.2.0, debug@^2.3.3:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.3.3.tgz#40c453e67e6e13c901ddec317af8986cda9eff8c"
   dependencies:
     ms "0.7.2"
 
-deep-eql@^0.1.3:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/deep-eql/-/deep-eql-0.1.3.tgz#ef558acab8de25206cd713906d74e56930eb69f2"
+debug@~2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.2.0.tgz#f87057e995b1a1f6ae6a4960664137bc56f039da"
   dependencies:
-    type-detect "0.1.1"
+    ms "0.7.1"
+
+decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
+
+deep-equal@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/deep-equal/-/deep-equal-1.0.1.tgz#f5d260292b660e084eff4cdbc9f08ad3247448b5"
 
 deep-extend@~0.4.0:
   version "0.4.1"
@@ -1040,6 +1441,12 @@ deep-is@~0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
 
+default-require-extensions@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/default-require-extensions/-/default-require-extensions-1.0.0.tgz#f37ea15d3e13ffd9b437d33e1a75b5fb97874cb8"
+  dependencies:
+    strip-bom "^2.0.0"
+
 deglob@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/deglob/-/deglob-2.1.0.tgz#4d44abe16ef32c779b4972bd141a80325029a14a"
@@ -1085,10 +1492,6 @@ detect-indent@^4.0.0:
   dependencies:
     repeating "^2.0.0"
 
-diff@1.4.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/diff/-/diff-1.4.0.tgz#7f28d2eb9ee7b15a97efd89ce63dcfdaa3ccbabf"
-
 doctoc@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/doctoc/-/doctoc-1.2.0.tgz#840feac50d1aff51f52233b69f388c939b299c23"
@@ -1135,10 +1538,22 @@ domutils@1.5:
     dom-serializer "0"
     domelementtype "1"
 
+dot-prop@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/dot-prop/-/dot-prop-3.0.0.tgz#1b708af094a49c9a0e7dbcad790aba539dac1177"
+  dependencies:
+    is-obj "^1.0.0"
+
 dotenv@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-2.0.0.tgz#bd759c357aaa70365e01c96b7b0bec08a6e0d949"
 
+duplexer2@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/duplexer2/-/duplexer2-0.1.4.tgz#8b12dab878c0d69e3e7891051662a32fc6bddcc1"
+  dependencies:
+    readable-stream "^2.0.2"
+
 duplexer@~0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
@@ -1152,6 +1567,10 @@ duplexify@^3.2.0:
     readable-stream "^2.0.0"
     stream-shift "^1.0.0"
 
+eastasianwidth@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/eastasianwidth/-/eastasianwidth-0.1.1.tgz#44d656de9da415694467335365fb3147b8572b7c"
+
 ecc-jsbn@~0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz#0fc73a9ed5f0d53c38193398523ef7e543777505"
@@ -1166,6 +1585,13 @@ elegant-spinner@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/elegant-spinner/-/elegant-spinner-1.0.1.tgz#db043521c95d7e303fd8f345bedc3349cfb0729e"
 
+empower-core@^0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/empower-core/-/empower-core-0.6.1.tgz#6c187f502fcef7554d57933396aac655483772b1"
+  dependencies:
+    call-signature "0.0.2"
+    core-js "^2.0.0"
+
 encodeurl@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/encodeurl/-/encodeurl-1.0.1.tgz#79e3d58655346909fe6f0f45a5de68103b294d20"
@@ -1184,6 +1610,12 @@ entities@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.1.tgz#6e5c2d0a5621b5dadaecef80b90edfb5cd7772f0"
 
+error-ex@^1.2.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.0.tgz#e67b43f3e82c96ea3a584ffee0b9fc3325d802d9"
+  dependencies:
+    is-arrayish "^0.2.1"
+
 es5-ext@^0.10.7, es5-ext@^0.10.8, es5-ext@~0.10.11, es5-ext@~0.10.2, es5-ext@~0.10.7:
   version "0.10.12"
   resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.12.tgz#aa84641d4db76b62abba5e45fd805ecbab140047"
@@ -1248,7 +1680,7 @@ escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
 
-escape-string-regexp@1.0.5, escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
+escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.4, escape-string-regexp@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
 
@@ -1323,6 +1755,15 @@ eslint@~3.10.2:
     text-table "~0.2.0"
     user-home "^2.0.0"
 
+espower-location-detector@^0.1.1:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/espower-location-detector/-/espower-location-detector-0.1.2.tgz#d43be738af3e0b18197eeb5c22b95512dee6b83c"
+  dependencies:
+    is-url "^1.2.1"
+    path-is-absolute "^1.0.0"
+    source-map "^0.5.0"
+    xtend "^4.0.0"
+
 espree@^3.3.1:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/espree/-/espree-3.3.2.tgz#dbf3fadeb4ecb4d4778303e50103b3d36c88b89c"
@@ -1334,6 +1775,12 @@ esprima@^2.6.0:
   version "2.7.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
 
+espurify@^1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/espurify/-/espurify-1.6.0.tgz#6cb993582d9422bd6f2d4b258aadb14833f394f0"
+  dependencies:
+    core-js "^2.0.0"
+
 esrecurse@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/esrecurse/-/esrecurse-4.1.0.tgz#4713b6536adf7f2ac4f327d559e7756bff648220"
@@ -1341,7 +1788,7 @@ esrecurse@^4.1.0:
     estraverse "~4.1.0"
     object-assign "^4.0.1"
 
-estraverse@^4.1.1, estraverse@^4.2.0:
+estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1, estraverse@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
 
@@ -1450,7 +1897,7 @@ fast-levenshtein@~2.0.4:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.5.tgz#bd33145744519ab1c36c3ee9f31f08e9079b67f2"
 
-figures@^1.3.5:
+figures@^1.3.5, figures@^1.4.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/figures/-/figures-1.7.0.tgz#cbe1e3affcf1cd44b80cadfed28dc793a9701d2e"
   dependencies:
@@ -1478,6 +1925,10 @@ fill-range@^2.1.0:
     repeat-element "^1.1.2"
     repeat-string "^1.5.2"
 
+filled-array@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/filled-array/-/filled-array-1.1.0.tgz#c3c4f6c663b923459a9aa29912d2d031f1507f84"
+
 finalhandler@0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/finalhandler/-/finalhandler-0.5.0.tgz#e9508abece9b6dba871a6942a1d7911b91911ac7"
@@ -1488,10 +1939,25 @@ finalhandler@0.5.0:
     statuses "~1.3.0"
     unpipe "~1.0.0"
 
+find-cache-dir@^0.1.1:
+  version "0.1.1"
+  resolved "http://registry.npmjs.org/find-cache-dir/-/find-cache-dir-0.1.1.tgz#c8defae57c8a52a8a784f9e31c57c742e993a0b9"
+  dependencies:
+    commondir "^1.0.1"
+    mkdirp "^0.5.1"
+    pkg-dir "^1.0.0"
+
 find-root@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/find-root/-/find-root-1.0.0.tgz#962ff211aab25c6520feeeb8d6287f8f6e95807a"
 
+find-up@^1.0.0, find-up@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
+  dependencies:
+    path-exists "^2.0.0"
+    pinkie-promise "^2.0.0"
+
 flat-cache@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-1.2.1.tgz#6c837d6225a7de5659323740b36d5361f71691ff"
@@ -1501,6 +1967,10 @@ flat-cache@^1.2.1:
     graceful-fs "^4.1.2"
     write "^0.2.1"
 
+fn-name@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/fn-name/-/fn-name-2.0.1.tgz#5214d7537a4d06a4a301c0cc262feb84188002e7"
+
 for-in@^0.1.5:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-0.1.6.tgz#c9f96e89bfad18a545af5ec3ed352a1d9e5b4dc8"
@@ -1511,10 +1981,25 @@ for-own@^0.1.4:
   dependencies:
     for-in "^0.1.5"
 
+foreground-child@^1.3.3, foreground-child@^1.5.3:
+  version "1.5.3"
+  resolved "https://registry.yarnpkg.com/foreground-child/-/foreground-child-1.5.3.tgz#94dd6aba671389867de8e57e99f1c2ecfb15c01a"
+  dependencies:
+    cross-spawn "^4"
+    signal-exit "^3.0.0"
+
 forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
 
+form-data@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.0.0.tgz#6f0aebadcc5da16c13e1ecc11137d85f9b883b25"
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "^1.0.5"
+    mime-types "^2.1.11"
+
 form-data@~2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.1.2.tgz#89c3534008b97eada4cbb157d58f6f5df025eae4"
@@ -1572,17 +2057,17 @@ function-bind@^1.0.2:
   resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.0.tgz#16176714c801798e4e8f2cf7f7529467bb4a5771"
 
 gauge@~2.7.1:
-  version "2.7.1"
-  resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.1.tgz#388473894fe8be5e13ffcdb8b93e4ed0616428c7"
+  version "2.7.2"
+  resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.2.tgz#15cecc31b02d05345a5d6b0e171cdb3ad2307774"
   dependencies:
     aproba "^1.0.3"
     console-control-strings "^1.0.0"
-    has-color "^0.1.7"
     has-unicode "^2.0.0"
     object-assign "^4.1.0"
     signal-exit "^3.0.0"
     string-width "^1.0.1"
     strip-ansi "^3.0.1"
+    supports-color "^0.2.0"
     wide-align "^1.1.0"
 
 generate-function@^2.0.0:
@@ -1595,6 +2080,20 @@ generate-object-property@^1.1.0:
   dependencies:
     is-property "^1.0.0"
 
+get-caller-file@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.2.tgz#f702e63127e7e231c160a80c1554acb70d5047e5"
+
+get-port@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/get-port/-/get-port-2.1.0.tgz#8783f9dcebd1eea495a334e1a6a251e78887ab1a"
+  dependencies:
+    pinkie-promise "^2.0.0"
+
+get-stdin@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
+
 get-stdin@^5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-5.0.1.tgz#122e161591e21ff4c52530305693f20e6393a398"
@@ -1618,17 +2117,6 @@ glob-parent@^2.0.0:
   dependencies:
     is-glob "^2.0.0"
 
-glob@7.0.5, glob@^7.0.0, glob@^7.0.3, glob@^7.0.5:
-  version "7.0.5"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-7.0.5.tgz#b4202a69099bbb4d292a7c1b95b6682b67ebdc95"
-  dependencies:
-    fs.realpath "^1.0.0"
-    inflight "^1.0.4"
-    inherits "2"
-    minimatch "^3.0.2"
-    once "^1.3.0"
-    path-is-absolute "^1.0.0"
-
 glob@^5.0.5:
   version "5.0.15"
   resolved "https://registry.yarnpkg.com/glob/-/glob-5.0.15.tgz#1bc936b9e02f4a603fcc222ecf7633d30b8b93b1"
@@ -1649,6 +2137,17 @@ glob@^6.0.1:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
+glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.0.6:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.1.tgz#805211df04faaf1c63a3600306cdf5ade50b2ec8"
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.2"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
 globals@^9.0.0, globals@^9.2.0:
   version "9.14.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-9.14.0.tgz#8859936af0038741263053b39d0e76ca241e4034"
@@ -1675,6 +2174,16 @@ globby@^5.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
+globby@^6.0.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-6.1.0.tgz#f5a6d70e8395e21c858fb0489d64df02424d506c"
+  dependencies:
+    array-union "^1.0.1"
+    glob "^7.0.3"
+    object-assign "^4.0.1"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
 got@^3.2.0:
   version "3.3.1"
   resolved "https://registry.yarnpkg.com/got/-/got-3.3.1.tgz#e5d0ed4af55fc3eef4d56007769d98192bcb2eca"
@@ -1690,6 +2199,26 @@ got@^3.2.0:
     read-all-stream "^3.0.0"
     timed-out "^2.0.0"
 
+got@^5.0.0:
+  version "5.7.1"
+  resolved "https://registry.yarnpkg.com/got/-/got-5.7.1.tgz#5f81635a61e4a6589f180569ea4e381680a51f35"
+  dependencies:
+    create-error-class "^3.0.1"
+    duplexer2 "^0.1.4"
+    is-redirect "^1.0.0"
+    is-retry-allowed "^1.0.0"
+    is-stream "^1.0.0"
+    lowercase-keys "^1.0.0"
+    node-status-codes "^1.0.0"
+    object-assign "^4.0.1"
+    parse-json "^2.1.0"
+    pinkie-promise "^2.0.0"
+    read-all-stream "^3.0.0"
+    readable-stream "^2.0.5"
+    timed-out "^3.0.0"
+    unzip-response "^1.0.2"
+    url-parse-lax "^1.0.0"
+
 graceful-fs@^4.1.2, graceful-fs@^4.1.4:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
@@ -1708,9 +2237,15 @@ graphql@^0.8.2:
   dependencies:
     iterall "1.0.2"
 
-growl@1.9.2:
-  version "1.9.2"
-  resolved "https://registry.yarnpkg.com/growl/-/growl-1.9.2.tgz#0ea7743715db8d8de2c5ede1775e1b45ac85c02f"
+handlebars@^4.0.3:
+  version "4.0.6"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.6.tgz#2ce4484850537f9c97a8026d5399b935c4ed4ed7"
+  dependencies:
+    async "^1.4.0"
+    optimist "^0.6.1"
+    source-map "^0.4.4"
+  optionalDependencies:
+    uglify-js "^2.6"
 
 har-validator@~2.0.6:
   version "2.0.6"
@@ -1727,7 +2262,7 @@ has-ansi@^2.0.0:
   dependencies:
     ansi-regex "^2.0.0"
 
-has-color@^0.1.7:
+has-color@~0.1.0:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/has-color/-/has-color-0.1.7.tgz#67144a5260c34fc3cca677d041daf52fe7b78b2f"
 
@@ -1735,6 +2270,10 @@ has-flag@^1.0.0:
   version "1.0.0"
   resolved "http://registry.npmjs.org/has-flag/-/has-flag-1.0.0.tgz#9d9e793165ce017a00f00418c43f942a7b1d11fa"
 
+has-flag@^2.0.0:
+  version "2.0.0"
+  resolved "http://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz#e8207af1cc7b30d446cc70b734b5e8be18f88d51"
+
 has-unicode@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/has-unicode/-/has-unicode-2.0.1.tgz#e0e6fe6a28cf51138855e086d1691e771de2a8b9"
@@ -1765,6 +2304,10 @@ home-or-tmp@^2.0.0:
     os-homedir "^1.0.0"
     os-tmpdir "^1.0.1"
 
+hosted-git-info@^2.1.4:
+  version "2.1.5"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.1.5.tgz#0ba81d90da2e25ab34a332e6ec77936e1598118b"
+
 htmlparser2@~3.7.1:
   version "3.7.3"
   resolved "https://registry.yarnpkg.com/htmlparser2/-/htmlparser2-3.7.3.tgz#6a64c77637c08c6f30ec2a8157a53333be7cb05e"
@@ -1795,7 +2338,7 @@ iconv-lite@0.4.13:
   version "0.4.13"
   resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.13.tgz#1f88aba4ab0b1508e8312acc39345f36e992e2f2"
 
-ignore-by-default@^1.0.0:
+ignore-by-default@^1.0.0, ignore-by-default@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/ignore-by-default/-/ignore-by-default-1.0.1.tgz#48ca6d72f6c6a3af00a9ad4ae6876be3889e2b09"
 
@@ -1807,6 +2350,12 @@ imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
 
+indent-string@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-2.1.0.tgz#8e2d48348742121b4a8218b7a137e9a52049dc80"
+  dependencies:
+    repeating "^2.0.0"
+
 infinity-agent@^2.0.0:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/infinity-agent/-/infinity-agent-2.0.3.tgz#45e0e2ff7a9eb030b27d62b74b3744b7a7ac4216"
@@ -1854,6 +2403,10 @@ invariant@^2.2.0:
   dependencies:
     loose-envify "^1.0.0"
 
+invert-kv@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-1.0.0.tgz#104a8e4aaca6d3d8cd157a8ef8bfab2d7a3ffdb6"
+
 ipaddr.js@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.1.1.tgz#c791d95f52b29c1247d5df80ada39b8a73647230"
@@ -1873,6 +2426,10 @@ is-alphanumerical@^1.0.0:
     is-alphabetical "^1.0.0"
     is-decimal "^1.0.0"
 
+is-arrayish@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"
+
 is-binary-path@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/is-binary-path/-/is-binary-path-1.0.1.tgz#75f16642b480f187a711c814161fd3a4a7655898"
@@ -1883,6 +2440,18 @@ is-buffer@^1.0.2:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.4.tgz#cfc86ccd5dc5a52fa80489111c6920c457e2d98b"
 
+is-builtin-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-builtin-module/-/is-builtin-module-1.0.0.tgz#540572d34f7ac3119f8f76c30cbc1b1e037affbe"
+  dependencies:
+    builtin-modules "^1.0.0"
+
+is-ci@^1.0.7:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-1.0.10.tgz#f739336b2632365061a9d48270cd56ae3369318e"
+  dependencies:
+    ci-info "^1.0.0"
+
 is-decimal@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-decimal/-/is-decimal-1.0.0.tgz#940579b6ea63c628080a69e62bda88c8470b4fe0"
@@ -1897,6 +2466,10 @@ is-equal-shallow@^0.1.3:
   dependencies:
     is-primitive "^2.0.0"
 
+is-error@^2.2.0:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/is-error/-/is-error-2.2.1.tgz#684a96d84076577c98f4cdb40c6d26a5123bf19c"
+
 is-extendable@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/is-extendable/-/is-extendable-0.1.1.tgz#62b110e289a471418e3ec36a617d472e301dfc89"
@@ -1905,7 +2478,7 @@ is-extglob@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-1.0.0.tgz#ac468177c4943405a092fc8f29760c6ffc6206c0"
 
-is-finite@^1.0.0:
+is-finite@^1.0.0, is-finite@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.0.2.tgz#cc6677695602be550ef11e8b4aa6305342b6d0aa"
   dependencies:
@@ -1921,6 +2494,10 @@ is-fullwidth-code-point@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
 
+is-generator-fn@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-generator-fn/-/is-generator-fn-1.0.0.tgz#969d49e1bb3329f6bb7f09089be26578b2ddd46a"
+
 is-glob@^2.0.0, is-glob@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-2.0.1.tgz#d096f926a3ded5600f3fdfd91198cb0888c2d863"
@@ -1950,6 +2527,16 @@ is-number@^2.0.2, is-number@^2.1.0:
   dependencies:
     kind-of "^3.0.2"
 
+is-obj@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-obj/-/is-obj-1.0.1.tgz#3e4729ac1f5fde025cd7d83a896dab9f4f67db0f"
+
+is-observable@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/is-observable/-/is-observable-0.2.0.tgz#b361311d83c6e5d726cabf5e250b0237106f5ae2"
+  dependencies:
+    symbol-observable "^0.2.2"
+
 is-path-cwd@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-path-cwd/-/is-path-cwd-1.0.0.tgz#d225ec23132e89edd38fda767472e62e65f1106d"
@@ -1966,6 +2553,10 @@ is-path-inside@^1.0.0:
   dependencies:
     path-is-inside "^1.0.1"
 
+is-plain-obj@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-plain-obj/-/is-plain-obj-1.1.0.tgz#71a50c8429dfca773c92a390a4a03b39fcd51d3e"
+
 is-posix-bracket@^0.1.0:
   version "0.1.1"
   resolved "http://registry.npmjs.org/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz#3334dc79774368e92f016e6fbc0a88f5cd6e6bc4"
@@ -1974,6 +2565,10 @@ is-primitive@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-primitive/-/is-primitive-2.0.0.tgz#207bab91638499c07b2adf240a41a87210034575"
 
+is-promise@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
+
 is-property@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-property/-/is-property-1.0.2.tgz#57fe1c4e48474edd65b09911f26b1cd4095dda84"
@@ -1988,6 +2583,10 @@ is-resolvable@^1.0.0:
   dependencies:
     tryit "^1.0.1"
 
+is-retry-allowed@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-retry-allowed/-/is-retry-allowed-1.1.0.tgz#11a060568b67339444033d0125a61a20d564fb34"
+
 is-stream@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
@@ -1996,6 +2595,14 @@ is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
 
+is-url@^1.2.1:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/is-url/-/is-url-1.2.2.tgz#498905a593bf47cc2d9e7f738372bbf7696c7f26"
+
+is-utf8@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"
+
 isarray@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-0.0.1.tgz#8a18acfca9a8f4177e09abfc6038939b05d1eedf"
@@ -2004,6 +2611,10 @@ isarray@1.0.0, isarray@^1.0.0, isarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
 
+isexe@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/isexe/-/isexe-1.1.2.tgz#36f3e22e60750920f5e7241a476a8c6a42275ad0"
+
 isobject@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/isobject/-/isobject-2.1.0.tgz#f065561096a3f1da2ef46272f815c840d87e0c89"
@@ -2014,6 +2625,54 @@ isstream@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
 
+istanbul-lib-coverage@^1.0.0, istanbul-lib-coverage@^1.0.0-alpha, istanbul-lib-coverage@^1.0.0-alpha.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.0.0.tgz#c3f9b6d226da12424064cce87fce0fb57fdfa7a2"
+
+istanbul-lib-hook@^1.0.0-alpha.4:
+  version "1.0.0-alpha.4"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-1.0.0-alpha.4.tgz#8c5bb9f6fbd8526e0ae6cf639af28266906b938f"
+  dependencies:
+    append-transform "^0.3.0"
+
+istanbul-lib-instrument@^1.1.4, istanbul-lib-instrument@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.3.0.tgz#19f0a973397454989b98330333063a5b56df0e58"
+  dependencies:
+    babel-generator "^6.18.0"
+    babel-template "^6.16.0"
+    babel-traverse "^6.18.0"
+    babel-types "^6.18.0"
+    babylon "^6.13.0"
+    istanbul-lib-coverage "^1.0.0"
+    semver "^5.3.0"
+
+istanbul-lib-report@^1.0.0-alpha.3:
+  version "1.0.0-alpha.3"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-1.0.0-alpha.3.tgz#32d5f6ec7f33ca3a602209e278b2e6ff143498af"
+  dependencies:
+    async "^1.4.2"
+    istanbul-lib-coverage "^1.0.0-alpha"
+    mkdirp "^0.5.1"
+    path-parse "^1.0.5"
+    rimraf "^2.4.3"
+    supports-color "^3.1.2"
+
+istanbul-lib-source-maps@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.1.0.tgz#9d429218f35b823560ea300a96ff0c3bbdab785f"
+  dependencies:
+    istanbul-lib-coverage "^1.0.0-alpha.0"
+    mkdirp "^0.5.1"
+    rimraf "^2.4.4"
+    source-map "^0.5.3"
+
+istanbul-reports@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.0.0.tgz#24b4eb2b1d29d50f103b369bd422f6e640aa0777"
+  dependencies:
+    handlebars "^4.0.3"
+
 iterall@1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/iterall/-/iterall-1.0.2.tgz#41a2e96ce9eda5e61c767ee5dc312373bb046e91"
@@ -2028,9 +2687,9 @@ js-tokens@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-2.0.0.tgz#79903f5563ee778cc1162e6dcf1a0027c97f9cb5"
 
-js-yaml@^3.5.1:
-  version "3.7.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.7.0.tgz#5c967ddd837a9bfdca5f2de84253abe8a1c03b80"
+js-yaml@3.6.1, js-yaml@^3.5.1:
+  version "3.6.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.6.1.tgz#6e5fe67d8b205ce4d22fad05b7781e8dadcc4b30"
   dependencies:
     argparse "^1.0.7"
     esprima "^2.6.0"
@@ -2061,10 +2720,6 @@ json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
 
-json3@3.3.2:
-  version "3.3.2"
-  resolved "https://registry.yarnpkg.com/json3/-/json3-3.3.2.tgz#3c0434743df93e2f5c42aee7b19bcb483575f4e1"
-
 json5@^0.5.0:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
@@ -2098,12 +2753,46 @@ kind-of@^3.0.2:
   dependencies:
     is-buffer "^1.0.2"
 
+last-line-stream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/last-line-stream/-/last-line-stream-1.0.0.tgz#d1b64d69f86ff24af2d04883a2ceee14520a5600"
+  dependencies:
+    through2 "^2.0.0"
+
 latest-version@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/latest-version/-/latest-version-1.0.1.tgz#72cfc46e3e8d1be651e1ebb54ea9f6ea96f374bb"
   dependencies:
     package-json "^1.0.0"
 
+latest-version@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/latest-version/-/latest-version-2.0.0.tgz#56f8d6139620847b8017f8f1f4d78e211324168b"
+  dependencies:
+    package-json "^2.0.0"
+
+lazy-cache@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
+
+lazy-req@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/lazy-req/-/lazy-req-1.1.0.tgz#bdaebead30f8d824039ce0ce149d4daa07ba1fac"
+
+lcid@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/lcid/-/lcid-1.0.0.tgz#308accafa0bc483a3867b4b6f2b9506251d1b835"
+  dependencies:
+    invert-kv "^1.0.0"
+
+lcov-parse@0.0.10:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/lcov-parse/-/lcov-parse-0.0.10.tgz#1b0b8ff9ac9c7889250582b70b71315d9da6d9a3"
+
+levenshtein@1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/levenshtein/-/levenshtein-1.0.2.tgz#cd02e8b32075645ddcf5d059e02efa918f9fb3ec"
+
 levn@^0.3.0, levn@~0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
@@ -2111,6 +2800,16 @@ levn@^0.3.0, levn@~0.3.0:
     prelude-ls "~1.1.2"
     type-check "~0.3.2"
 
+load-json-file@^1.0.0, load-json-file@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^2.2.0"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+    strip-bom "^2.0.0"
+
 lodash._baseassign@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/lodash._baseassign/-/lodash._baseassign-3.2.0.tgz#8c38a099500f215ad09e59f1722fd0c52bfe0a4e"
@@ -2122,10 +2821,6 @@ lodash._basecopy@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/lodash._basecopy/-/lodash._basecopy-3.0.1.tgz#8da0e6a876cf344c0ad8a54882111dd3c5c7ca36"
 
-lodash._basecreate@^3.0.0:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/lodash._basecreate/-/lodash._basecreate-3.0.3.tgz#1bc661614daa7fc311b7d03bf16806a0213cf821"
-
 lodash._bindcallback@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/lodash._bindcallback/-/lodash._bindcallback-3.0.1.tgz#e531c27644cf8b57a99e17ed95b35c748789392e"
@@ -2154,13 +2849,9 @@ lodash.assign@^3.0.0:
     lodash._createassigner "^3.0.0"
     lodash.keys "^3.0.0"
 
-lodash.create@3.1.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/lodash.create/-/lodash.create-3.1.1.tgz#d7f2849f0dbda7e04682bb8cd72ab022461debe7"
-  dependencies:
-    lodash._baseassign "^3.0.0"
-    lodash._basecreate "^3.0.0"
-    lodash._isiterateecall "^3.0.0"
+lodash.debounce@^4.0.3:
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
 
 lodash.defaults@^3.1.2:
   version "3.1.2"
@@ -2169,6 +2860,14 @@ lodash.defaults@^3.1.2:
     lodash.assign "^3.0.0"
     lodash.restparam "^3.0.0"
 
+lodash.difference@^4.3.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.difference/-/lodash.difference-4.5.0.tgz#9ccb4e505d486b91651345772885a2df27fd017c"
+
+lodash.flatten@^4.2.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/lodash.flatten/-/lodash.flatten-4.4.0.tgz#f31c22225a9632d2bbf8e4addbef240aa765a61f"
+
 lodash.isarguments@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz#2f573d85c6a24289ff00663b491c1d338ff3458a"
@@ -2177,6 +2876,10 @@ lodash.isarray@^3.0.0:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/lodash.isarray/-/lodash.isarray-3.0.4.tgz#79e4eb88c36a8122af86f844aa9bcd851b5fbb55"
 
+lodash.isequal@^4.4.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/lodash.isequal/-/lodash.isequal-4.4.0.tgz#6295768e98e14dc15ce8d362ef6340db82852031"
+
 lodash.keys@^3.0.0:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/lodash.keys/-/lodash.keys-3.1.2.tgz#4dbc0472b156be50a0b286855d1bd0b0c656098a"
@@ -2197,6 +2900,10 @@ lodash@^4.0.0, lodash@^4.2.0, lodash@^4.3.0:
   version "4.17.2"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.2.tgz#34a3055babe04ce42467b607d700072c7ff6bf42"
 
+log-driver@1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/log-driver/-/log-driver-1.2.5.tgz#7ae4ec257302fd790d557cb10c97100d857b0056"
+
 log-symbols@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-1.0.2.tgz#376ff7b58ea3086a0f09facc74617eca501e1a18"
@@ -2214,12 +2921,23 @@ longest-streak@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/longest-streak/-/longest-streak-1.0.0.tgz#d06597c4d4c31b52ccb1f5d8f8fe7148eafd6965"
 
+longest@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
+
 loose-envify@^1.0.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/loose-envify/-/loose-envify-1.3.0.tgz#6b26248c42f6d4fa4b0d8542f78edfcde35642a8"
   dependencies:
     js-tokens "^2.0.0"
 
+loud-rejection@^1.0.0, loud-rejection@^1.2.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
+  dependencies:
+    currently-unhandled "^0.4.1"
+    signal-exit "^3.0.0"
+
 lowercase-keys@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/lowercase-keys/-/lowercase-keys-1.0.0.tgz#4e3366b39e7f5457e35f1324bdf6f88d0bfc7306"
@@ -2231,6 +2949,10 @@ lru-cache@^4.0.1:
     pseudomap "^1.0.1"
     yallist "^2.0.0"
 
+map-obj@^1.0.0, map-obj@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"
+
 map-stream@~0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/map-stream/-/map-stream-0.1.0.tgz#e56aa94c4c8055a16404a0674b78f215f7c8e194"
@@ -2252,19 +2974,60 @@ marked@^0.3.6:
   version "0.3.6"
   resolved "https://registry.yarnpkg.com/marked/-/marked-0.3.6.tgz#b2c6c618fccece4ef86c4fc6cb8a7cbf5aeda8d7"
 
+matcher@^0.1.1:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/matcher/-/matcher-0.1.2.tgz#ef20cbde64c24c50cc61af5b83ee0b1b8ff00101"
+  dependencies:
+    escape-string-regexp "^1.0.4"
+
+max-timeout@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/max-timeout/-/max-timeout-1.0.0.tgz#b68f69a2f99e0b476fd4cb23e2059ca750715e1f"
+
+md5-hex@^1.2.0, md5-hex@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/md5-hex/-/md5-hex-1.3.0.tgz#d2c4afe983c4370662179b8cad145219135046c4"
+  dependencies:
+    md5-o-matic "^0.1.1"
+
+md5-o-matic@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/md5-o-matic/-/md5-o-matic-0.1.1.tgz#822bccd65e117c514fab176b25945d54100a03c3"
+
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
 
+meow@^3.7.0:
+  version "3.7.0"
+  resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
+  dependencies:
+    camelcase-keys "^2.0.0"
+    decamelize "^1.1.2"
+    loud-rejection "^1.0.0"
+    map-obj "^1.0.1"
+    minimist "^1.1.3"
+    normalize-package-data "^2.3.4"
+    object-assign "^4.0.1"
+    read-pkg-up "^1.0.1"
+    redent "^1.0.0"
+    trim-newlines "^1.0.0"
+
 merge-descriptors@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/merge-descriptors/-/merge-descriptors-1.0.1.tgz#b00aaa556dd8b44568150ec9d1b953f3f90cbb61"
 
+merge-source-map@^1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/merge-source-map/-/merge-source-map-1.0.3.tgz#da1415f2722a5119db07b14c4f973410863a2abf"
+  dependencies:
+    source-map "^0.5.3"
+
 methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
 
-micromatch@^2.1.5:
+micromatch@^2.1.5, micromatch@^2.3.11:
   version "2.3.11"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
   dependencies:
@@ -2286,7 +3049,7 @@ micromatch@^2.1.5:
   version "1.25.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.25.0.tgz#c18dbd7c73a5dbf6f44a024dc0d165a1e7b1c392"
 
-mime-types@^2.1.12, mime-types@~2.1.11, mime-types@~2.1.13, mime-types@~2.1.7:
+mime-types@^2.1.11, mime-types@^2.1.12, mime-types@~2.1.11, mime-types@~2.1.13, mime-types@~2.1.7:
   version "2.1.13"
   resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.13.tgz#e07aaa9c6c6b9a7ca3012c69003ad25a39e92a88"
   dependencies:
@@ -2302,48 +3065,41 @@ mime@1.3.4:
   dependencies:
     brace-expansion "^1.0.0"
 
-minimist@0.0.8:
+minimist@0.0.8, minimist@~0.0.1:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-minimist@^1.1.0, minimist@^1.1.1, minimist@~1.1.0:
-  version "1.1.3"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.1.3.tgz#3bedfd91a92d39016fcfaa1c681e8faa1a1efda8"
-
-minimist@^1.2.0:
+minimist@1.2.0, minimist@^1.1.0, minimist@^1.1.1, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
-mkdirp@0.5.1, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.1:
+minimist@~1.1.0:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.1.3.tgz#3bedfd91a92d39016fcfaa1c681e8faa1a1efda8"
+
+"mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
     minimist "0.0.8"
 
-mocha@^3.2.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/mocha/-/mocha-3.2.0.tgz#7dc4f45e5088075171a68896814e6ae9eb7a85e3"
-  dependencies:
-    browser-stdout "1.3.0"
-    commander "2.9.0"
-    debug "2.2.0"
-    diff "1.4.0"
-    escape-string-regexp "1.0.5"
-    glob "7.0.5"
-    growl "1.9.2"
-    json3 "3.3.2"
-    lodash.create "3.1.1"
-    mkdirp "0.5.1"
-    supports-color "3.1.2"
-
 ms@0.7.1:
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.1.tgz#9cd13c03adbff25b65effde7ce864ee952017098"
 
-ms@0.7.2:
+ms@0.7.2, ms@^0.7.1:
   version "0.7.2"
   resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.2.tgz#ae25cf2512b3885a1d95d7f037868d8431124765"
 
+multimatch@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/multimatch/-/multimatch-2.1.0.tgz#9c7906a22fb4c02919e2f5f75161b4cdbd4b2a2b"
+  dependencies:
+    array-differ "^1.0.0"
+    array-union "^1.0.1"
+    arrify "^1.0.0"
+    minimatch "^3.0.0"
+
 mute-stream@0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
@@ -2380,6 +3136,14 @@ node-pre-gyp@^0.6.29:
     tar "~2.2.1"
     tar-pack "~3.3.0"
 
+node-status-codes@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/node-status-codes/-/node-status-codes-1.0.0.tgz#5ae5541d024645d32a58fcddc9ceecea7ae3ac2f"
+
+node-uuid@~1.4.7:
+  version "1.4.7"
+  resolved "https://registry.yarnpkg.com/node-uuid/-/node-uuid-1.4.7.tgz#6da5a17668c4b3dd59623bda11cf7fa4c1f60a6f"
+
 nodemon@^1.11.0:
   version "1.11.0"
   resolved "https://registry.yarnpkg.com/nodemon/-/nodemon-1.11.0.tgz#226c562bd2a7b13d3d7518b49ad4828a3623d06c"
@@ -2407,6 +3171,15 @@ nopt@~3.0.6:
   dependencies:
     abbrev "1"
 
+normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
+  version "2.3.5"
+  resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.3.5.tgz#8d924f142960e1777e7ffe170543631cc7cb02df"
+  dependencies:
+    hosted-git-info "^2.1.4"
+    is-builtin-module "^1.0.0"
+    semver "2 || 3 || 4 || 5"
+    validate-npm-package-license "^3.0.1"
+
 normalize-path@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/normalize-path/-/normalize-path-2.0.1.tgz#47886ac1662760d4261b7d979d241709d3ce3f7a"
@@ -2432,6 +3205,38 @@ number-is-nan@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"
 
+nyc@^10.0.0:
+  version "10.0.0"
+  resolved "https://registry.yarnpkg.com/nyc/-/nyc-10.0.0.tgz#95bd4a2c3487f33e1e78f213c6d5a53d88074ce6"
+  dependencies:
+    archy "^1.0.0"
+    arrify "^1.0.1"
+    caching-transform "^1.0.0"
+    convert-source-map "^1.3.0"
+    debug-log "^1.0.1"
+    default-require-extensions "^1.0.0"
+    find-cache-dir "^0.1.1"
+    find-up "^1.1.2"
+    foreground-child "^1.5.3"
+    glob "^7.0.6"
+    istanbul-lib-coverage "^1.0.0"
+    istanbul-lib-hook "^1.0.0-alpha.4"
+    istanbul-lib-instrument "^1.3.0"
+    istanbul-lib-report "^1.0.0-alpha.3"
+    istanbul-lib-source-maps "^1.1.0"
+    istanbul-reports "^1.0.0"
+    md5-hex "^1.2.0"
+    merge-source-map "^1.0.2"
+    micromatch "^2.3.11"
+    mkdirp "^0.5.0"
+    resolve-from "^2.0.0"
+    rimraf "^2.5.4"
+    signal-exit "^3.0.1"
+    spawn-wrap "^1.2.4"
+    test-exclude "^3.3.0"
+    yargs "^6.4.0"
+    yargs-parser "^4.0.2"
+
 oauth-sign@~0.8.1:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
@@ -2451,6 +3256,13 @@ object.omit@^2.0.0:
     for-own "^0.1.4"
     is-extendable "^0.1.1"
 
+observable-to-promise@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/observable-to-promise/-/observable-to-promise-0.4.0.tgz#28afe71645308f2d41d71f47ad3fece1a377e52b"
+  dependencies:
+    is-observable "^0.2.0"
+    symbol-observable "^0.2.2"
+
 on-finished@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
@@ -2477,6 +3289,19 @@ onetime@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
 
+optimist@^0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
+  dependencies:
+    minimist "~0.0.1"
+    wordwrap "~0.0.2"
+
+option-chain@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/option-chain/-/option-chain-0.1.1.tgz#e9b811e006f1c0f54802f28295bfc8970f8dcfbd"
+  dependencies:
+    object-assign "^4.0.1"
+
 optionator@^0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
@@ -2488,10 +3313,16 @@ optionator@^0.8.2:
     type-check "~0.3.2"
     wordwrap "~1.0.0"
 
-os-homedir@^1.0.0:
+os-homedir@^1.0.0, os-homedir@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
 
+os-locale@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
+  dependencies:
+    lcid "^1.0.0"
+
 os-tmpdir@^1.0.0, os-tmpdir@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
@@ -2511,6 +3342,12 @@ output-file-sync@^1.1.0:
     mkdirp "^0.5.1"
     object-assign "^4.1.0"
 
+package-hash@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/package-hash/-/package-hash-1.2.0.tgz#003e56cd57b736a6ed6114cc2b81542672770e44"
+  dependencies:
+    md5-hex "^1.3.0"
+
 package-json@^1.0.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/package-json/-/package-json-1.2.0.tgz#c8ecac094227cdf76a316874ed05e27cc939a0e0"
@@ -2518,6 +3355,15 @@ package-json@^1.0.0:
     got "^3.2.0"
     registry-url "^3.0.0"
 
+package-json@^2.0.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/package-json/-/package-json-2.4.0.tgz#0d15bd67d1cbbddbb2ca222ff2edb86bcb31a8bb"
+  dependencies:
+    got "^5.0.0"
+    registry-auth-token "^3.0.1"
+    registry-url "^3.0.3"
+    semver "^5.1.0"
+
 parse-entities@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/parse-entities/-/parse-entities-1.1.0.tgz#4bc58f35fdc8e65dded35a12f2e40223ca24a3f7"
@@ -2539,6 +3385,20 @@ parse-glob@^3.0.4:
     is-extglob "^1.0.0"
     is-glob "^2.0.0"
 
+parse-json@^2.1.0, parse-json@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-2.2.0.tgz#f480f40434ef80741f8469099f8dea18f55a4dc9"
+  dependencies:
+    error-ex "^1.2.0"
+
+parse-ms@^0.1.0:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/parse-ms/-/parse-ms-0.1.2.tgz#dd3fa25ed6c2efc7bdde12ad9b46c163aa29224e"
+
+parse-ms@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/parse-ms/-/parse-ms-1.0.1.tgz#56346d4749d78f23430ca0c713850aef91aa361d"
+
 parseurl@~1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.1.tgz#c8ab8c9223ba34888aa64a297b28853bec18da56"
@@ -2547,6 +3407,12 @@ pascalcase@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
 
+path-exists@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
+  dependencies:
+    pinkie-promise "^2.0.0"
+
 path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
@@ -2555,10 +3421,22 @@ path-is-inside@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
 
+path-parse@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
+
 path-to-regexp@0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/path-to-regexp/-/path-to-regexp-0.1.7.tgz#df604178005f522f15eb4490e7247a1bfaa67f8c"
 
+path-type@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
+  dependencies:
+    graceful-fs "^4.1.2"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
 pause-stream@0.0.11:
   version "0.0.11"
   resolved "https://registry.yarnpkg.com/pause-stream/-/pause-stream-0.0.11.tgz#fe5a34b0cbce12b5aa6a2b403ee2e73b602f1445"
@@ -2569,16 +3447,35 @@ pify@^2.0.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
 
+pinkie-promise@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-1.0.0.tgz#d1da67f5482563bb7cf57f286ae2822ecfbf3670"
+  dependencies:
+    pinkie "^1.0.0"
+
 pinkie-promise@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
   dependencies:
     pinkie "^2.0.0"
 
+pinkie@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-1.0.0.tgz#5a47f28ba1015d0201bda7bf0f358e47bec8c7e4"
+
 pinkie@^2.0.0:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
 
+pkg-conf@^1.0.1:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/pkg-conf/-/pkg-conf-1.1.3.tgz#378e56d6fd13e88bfb6f4a25df7a83faabddba5b"
+  dependencies:
+    find-up "^1.0.0"
+    load-json-file "^1.1.0"
+    object-assign "^4.0.1"
+    symbol "^0.2.1"
+
 pkg-config@^1.0.1, pkg-config@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/pkg-config/-/pkg-config-1.1.1.tgz#557ef22d73da3c8837107766c52eadabde298fe4"
@@ -2587,6 +3484,16 @@ pkg-config@^1.0.1, pkg-config@^1.1.0:
     find-root "^1.0.0"
     xtend "^4.0.1"
 
+pkg-dir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/pkg-dir/-/pkg-dir-1.0.0.tgz#7a4b508a8d5bb2d629d447056ff4e9c9314cf3d4"
+  dependencies:
+    find-up "^1.0.0"
+
+plur@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/plur/-/plur-1.0.0.tgz#db85c6814f5e5e5a3b49efc28d604fec62975156"
+
 plur@^2.0.0:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/plur/-/plur-2.1.2.tgz#7482452c1a0f508e3e344eaec312c91c29dc655a"
@@ -2597,11 +3504,58 @@ pluralize@^1.2.1:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-1.2.1.tgz#d1a21483fd22bb41e58a12fa3421823140897c45"
 
+power-assert-context-formatter@^1.0.4:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/power-assert-context-formatter/-/power-assert-context-formatter-1.1.1.tgz#edba352d3ed8a603114d667265acce60d689ccdf"
+  dependencies:
+    core-js "^2.0.0"
+    power-assert-context-traversal "^1.1.1"
+
+power-assert-context-traversal@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/power-assert-context-traversal/-/power-assert-context-traversal-1.1.1.tgz#88cabca0d13b6359f07d3d3e8afa699264577ed9"
+  dependencies:
+    core-js "^2.0.0"
+    estraverse "^4.1.0"
+
+power-assert-renderer-assertion@^1.0.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/power-assert-renderer-assertion/-/power-assert-renderer-assertion-1.1.1.tgz#cbfc0e77e0086a8f96af3f1d8e67b9ee7e28ce98"
+  dependencies:
+    power-assert-renderer-base "^1.1.1"
+    power-assert-util-string-width "^1.1.1"
+
+power-assert-renderer-base@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/power-assert-renderer-base/-/power-assert-renderer-base-1.1.1.tgz#96a650c6fd05ee1bc1f66b54ad61442c8b3f63eb"
+
+power-assert-renderer-diagram@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/power-assert-renderer-diagram/-/power-assert-renderer-diagram-1.1.1.tgz#7e0c82cc08a84b155e51b5ae94f59709778a65fb"
+  dependencies:
+    core-js "^2.0.0"
+    power-assert-renderer-base "^1.1.1"
+    power-assert-util-string-width "^1.1.1"
+    stringifier "^1.3.0"
+
+power-assert-renderer-succinct@^1.0.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/power-assert-renderer-succinct/-/power-assert-renderer-succinct-1.1.1.tgz#c2a468b23822abd6f80e2aba5322347b09df476e"
+  dependencies:
+    core-js "^2.0.0"
+    power-assert-renderer-diagram "^1.1.1"
+
+power-assert-util-string-width@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/power-assert-util-string-width/-/power-assert-util-string-width-1.1.1.tgz#be659eb7937fdd2e6c9a77268daaf64bd5b7c592"
+  dependencies:
+    eastasianwidth "^0.1.1"
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
 
-prepend-http@^1.0.0:
+prepend-http@^1.0.0, prepend-http@^1.0.1:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
 
@@ -2609,6 +3563,20 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
+pretty-ms@^0.2.1:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/pretty-ms/-/pretty-ms-0.2.2.tgz#da879a682ff33a37011046f13d627f67c73b84f6"
+  dependencies:
+    parse-ms "^0.1.0"
+
+pretty-ms@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/pretty-ms/-/pretty-ms-2.1.0.tgz#4257c256df3fb0b451d6affaab021884126981dc"
+  dependencies:
+    is-finite "^1.0.1"
+    parse-ms "^1.0.0"
+    plur "^1.0.0"
+
 private@^0.1.6, private@~0.1.5:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.6.tgz#55c6a976d0f9bafb9924851350fe47b9b5fbb7c1"
@@ -2642,7 +3610,7 @@ punycode@^1.4.1:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/punycode/-/punycode-1.4.1.tgz#c0d5a63b2718800ad8e1eb0fa5269c84dd41845e"
 
-qs@6.2.0:
+qs@6.2.0, qs@~6.2.0:
   version "6.2.0"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.2.0.tgz#3b7848c03c2dece69a9522b0fae8c4126d745f3b"
 
@@ -2669,7 +3637,7 @@ raw-body@^2.1.0:
     iconv-lite "0.4.13"
     unpipe "1.0.0"
 
-rc@^1.0.1, rc@^1.1.0, rc@~1.1.6:
+rc@^1.0.1, rc@^1.1.0, rc@^1.1.6, rc@~1.1.6:
   version "1.1.6"
   resolved "https://registry.yarnpkg.com/rc/-/rc-1.1.6.tgz#43651b76b6ae53b5c802f1151fa3fc3b059969c9"
   dependencies:
@@ -2685,6 +3653,21 @@ read-all-stream@^3.0.0:
     pinkie-promise "^2.0.0"
     readable-stream "^2.0.0"
 
+read-pkg-up@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
+  dependencies:
+    find-up "^1.0.0"
+    read-pkg "^1.0.0"
+
+read-pkg@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
+  dependencies:
+    load-json-file "^1.0.0"
+    normalize-package-data "^2.3.2"
+    path-type "^1.0.0"
+
 readable-stream@1.1:
   version "1.1.13"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.13.tgz#f6eef764f514c89e2b9e23146a75ba106756d23e"
@@ -2694,7 +3677,7 @@ readable-stream@1.1:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-stream@^2.0.0, "readable-stream@^2.0.0 || ^1.1.13", readable-stream@^2.0.2, readable-stream@^2.0.6:
+readable-stream@^2.0.0, "readable-stream@^2.0.0 || ^1.1.13", readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.5:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.2.2.tgz#a9e6fec3c7dda85f8bb1b3ba7028604556fc825e"
   dependencies:
@@ -2706,7 +3689,7 @@ readable-stream@^2.0.0, "readable-stream@^2.0.0 || ^1.1.13", readable-stream@^2.
     string_decoder "~0.10.x"
     util-deprecate "~1.0.1"
 
-readable-stream@~2.0.0:
+readable-stream@~2.0.0, readable-stream@~2.0.5:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
   dependencies:
@@ -2752,6 +3735,13 @@ rechoir@^0.6.2:
   dependencies:
     resolve "^1.1.6"
 
+redent@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/redent/-/redent-1.0.0.tgz#cf916ab1fd5f1f16dfb20822dd6ec7f730c2afde"
+  dependencies:
+    indent-string "^2.1.0"
+    strip-indent "^1.0.1"
+
 regenerate@^1.2.1:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.3.2.tgz#d1941c67bad437e1be76433add5b385f95b19260"
@@ -2762,7 +3752,7 @@ regenerator-runtime@^0.9.5:
 
 regex-cache@^0.4.2:
   version "0.4.3"
-  resolved "https://registry.yarnpkg.com/regex-cache/-/regex-cache-0.4.3.tgz#9b1a6c35d4d0dfcef5711ae651e8e9d3d7114145"
+  resolved "http://registry.npmjs.org/regex-cache/-/regex-cache-0.4.3.tgz#9b1a6c35d4d0dfcef5711ae651e8e9d3d7114145"
   dependencies:
     is-equal-shallow "^0.1.3"
     is-primitive "^2.0.0"
@@ -2775,7 +3765,13 @@ regexpu-core@^2.0.0:
     regjsgen "^0.2.0"
     regjsparser "^0.1.4"
 
-registry-url@^3.0.0:
+registry-auth-token@^3.0.1:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/registry-auth-token/-/registry-auth-token-3.1.0.tgz#997c08256e0c7999837b90e944db39d8a790276b"
+  dependencies:
+    rc "^1.1.6"
+
+registry-url@^3.0.0, registry-url@^3.0.3:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/registry-url/-/registry-url-3.1.0.tgz#3d4ef870f73dde1d77f0cf9a381432444e174942"
   dependencies:
@@ -2848,6 +3844,32 @@ repeating@^2.0.0:
   dependencies:
     is-finite "^1.0.0"
 
+request@2.75.0:
+  version "2.75.0"
+  resolved "https://registry.yarnpkg.com/request/-/request-2.75.0.tgz#d2b8268a286da13eaa5d01adf5d18cc90f657d93"
+  dependencies:
+    aws-sign2 "~0.6.0"
+    aws4 "^1.2.1"
+    bl "~1.1.2"
+    caseless "~0.11.0"
+    combined-stream "~1.0.5"
+    extend "~3.0.0"
+    forever-agent "~0.6.1"
+    form-data "~2.0.0"
+    har-validator "~2.0.6"
+    hawk "~3.1.3"
+    http-signature "~1.1.0"
+    is-typedarray "~1.0.0"
+    isstream "~0.1.2"
+    json-stringify-safe "~5.0.1"
+    mime-types "~2.1.7"
+    node-uuid "~1.4.7"
+    oauth-sign "~0.8.1"
+    qs "~6.2.0"
+    stringstream "~0.0.4"
+    tough-cookie "~2.3.0"
+    tunnel-agent "~0.4.1"
+
 request@^2.79.0:
   version "2.79.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.79.0.tgz#4dfe5bf6be8b8cdc37fcf93e04b65577722710de"
@@ -2873,6 +3895,18 @@ request@^2.79.0:
     tunnel-agent "~0.4.1"
     uuid "^3.0.0"
 
+require-directory@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
+
+require-main-filename@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
+
+require-precompiled@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/require-precompiled/-/require-precompiled-0.1.0.tgz#5a1b52eb70ebed43eb982e974c85ab59571e56fa"
+
 require-uncached@^1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
@@ -2880,10 +3914,20 @@ require-uncached@^1.0.2:
     caller-path "^0.1.0"
     resolve-from "^1.0.0"
 
+resolve-cwd@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/resolve-cwd/-/resolve-cwd-1.0.0.tgz#4eaeea41ed040d1702457df64a42b2b07d246f9f"
+  dependencies:
+    resolve-from "^2.0.0"
+
 resolve-from@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
 
+resolve-from@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-2.0.0.tgz#9480ab20e94ffa1d9e80a804c7ea147611966b57"
+
 resolve@^1.1.6:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
@@ -2899,7 +3943,13 @@ retry@^0.10.0:
   version "0.10.0"
   resolved "https://registry.yarnpkg.com/retry/-/retry-0.10.0.tgz#649e15ca408422d98318161935e7f7d652d435dd"
 
-rimraf@2, rimraf@^2.2.8, rimraf@~2.5.1, rimraf@~2.5.4:
+right-align@^0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/right-align/-/right-align-0.1.3.tgz#61339b722fe6a3515689210d24e14c96148613ef"
+  dependencies:
+    align-text "^0.1.1"
+
+rimraf@2, rimraf@^2.2.8, rimraf@^2.3.3, rimraf@^2.4.3, rimraf@^2.4.4, rimraf@^2.5.4, rimraf@~2.5.1, rimraf@~2.5.4:
   version "2.5.4"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.5.4.tgz#96800093cbf1a0c86bd95b4625467535c29dfa04"
   dependencies:
@@ -2925,7 +3975,7 @@ semver-diff@^2.0.0:
   dependencies:
     semver "^5.0.3"
 
-semver@^5.0.3, semver@~5.3.0:
+"semver@2 || 3 || 4 || 5", semver@^5.0.3, semver@^5.1.0, semver@^5.3.0, semver@~5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
 
@@ -2947,6 +3997,12 @@ send@0.14.1:
     range-parser "~1.2.0"
     statuses "~1.3.0"
 
+sepia@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/sepia/-/sepia-2.0.2.tgz#5310bb7357e7d47e5c2d20e54c02865dafec5285"
+  dependencies:
+    levenshtein "1.0.2"
+
 serve-static@~1.11.1:
   version "1.11.1"
   resolved "https://registry.yarnpkg.com/serve-static/-/serve-static-1.11.1.tgz#d6cce7693505f733c759de57befc1af76c0f0805"
@@ -2956,7 +4012,7 @@ serve-static@~1.11.1:
     parseurl "~1.3.1"
     send "0.14.1"
 
-set-blocking@~2.0.0:
+set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
 
@@ -2980,9 +4036,13 @@ shellsubstitute@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/shellsubstitute/-/shellsubstitute-1.2.0.tgz#e4f702a50c518b0f6fe98451890d705af29b6b70"
 
-signal-exit@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.1.tgz#5a4c884992b63a7acd9badb7894c3ee9cfccad81"
+signal-exit@^2.0.0:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-2.1.2.tgz#375879b1f92ebc3b334480d038dc546a6d558564"
+
+signal-exit@^3.0.0, signal-exit@^3.0.1:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
 
 slash@^1.0.0:
   version "1.0.0"
@@ -3014,16 +4074,53 @@ sntp@1.x.x:
   dependencies:
     hoek "2.x.x"
 
-source-map-support@^0.4.2:
+sort-keys@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/sort-keys/-/sort-keys-1.1.2.tgz#441b6d4d346798f1b4e49e8920adfba0e543f9ad"
+  dependencies:
+    is-plain-obj "^1.0.0"
+
+source-map-support@^0.4.0, source-map-support@^0.4.2:
   version "0.4.6"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.6.tgz#32552aa64b458392a85eab3b0b5ee61527167aeb"
   dependencies:
     source-map "^0.5.3"
 
-source-map@^0.5.0, source-map@^0.5.3:
+source-map@^0.4.4:
+  version "0.4.4"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
+  dependencies:
+    amdefine ">=0.0.4"
+
+source-map@^0.5.0, source-map@^0.5.3, source-map@~0.5.1:
   version "0.5.6"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
 
+spawn-wrap@^1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/spawn-wrap/-/spawn-wrap-1.2.4.tgz#920eb211a769c093eebfbd5b0e7a5d2e68ab2e40"
+  dependencies:
+    foreground-child "^1.3.3"
+    mkdirp "^0.5.0"
+    os-homedir "^1.0.1"
+    rimraf "^2.3.3"
+    signal-exit "^2.0.0"
+    which "^1.2.4"
+
+spdx-correct@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-1.0.2.tgz#4b3073d933ff51f3912f03ac5519498a4150db40"
+  dependencies:
+    spdx-license-ids "^1.0.2"
+
+spdx-expression-parse@~1.0.0:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/spdx-expression-parse/-/spdx-expression-parse-1.0.4.tgz#9bdf2f20e1f40ed447fbe273266191fced51626c"
+
+spdx-license-ids@^1.0.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-1.2.2.tgz#c9df7a3424594ade6bd11900d596696dc06bac57"
+
 split@0.3:
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/split/-/split-0.3.3.tgz#cd0eea5e63a211dfff7eb0f091c4133e2d0dd28f"
@@ -3049,6 +4146,10 @@ sshpk@^1.7.0:
     jsbn "~0.1.0"
     tweetnacl "~0.14.0"
 
+stack-utils@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/stack-utils/-/stack-utils-0.4.0.tgz#940cb82fccfa84e8ff2f3fdf293fe78016beccd1"
+
 standard-engine@~5.2.0:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/standard-engine/-/standard-engine-5.2.0.tgz#400660ae5acce8afd4db60ff2214a9190ad790a3"
@@ -3098,7 +4199,7 @@ string-length@^1.0.0:
   dependencies:
     strip-ansi "^3.0.0"
 
-string-width@^1.0.0, string-width@^1.0.1:
+string-width@^1.0.0, string-width@^1.0.1, string-width@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-1.0.2.tgz#118bdf5b8cdc51a2a7e70d211e07e2b0b9b107d3"
   dependencies:
@@ -3117,6 +4218,14 @@ string_decoder@~0.10.x:
   version "0.10.31"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
 
+stringifier@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/stringifier/-/stringifier-1.3.0.tgz#def18342f6933db0f2dbfc9aa02175b448c17959"
+  dependencies:
+    core-js "^2.0.0"
+    traverse "^0.6.6"
+    type-name "^2.0.1"
+
 stringify-entities@^1.0.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/stringify-entities/-/stringify-entities-1.3.0.tgz#2244a516c4f1e8e01b73dad01023016776abd917"
@@ -3137,10 +4246,26 @@ strip-ansi@^3.0.0, strip-ansi@^3.0.1:
   dependencies:
     ansi-regex "^2.0.0"
 
+strip-ansi@~0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-0.1.1.tgz#39e8a98d044d150660abe4a6808acf70bb7bc991"
+
+strip-bom@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
+  dependencies:
+    is-utf8 "^0.2.0"
+
 strip-bom@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
 
+strip-indent@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-1.0.1.tgz#0c7962a6adefa7bbd4ac366460a638552ae1a0a2"
+  dependencies:
+    get-stdin "^4.0.1"
+
 strip-json-comments@~1.0.1, strip-json-comments@~1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-1.0.4.tgz#1e15fbcac97d3ee99bf2d73b4c656b082bbafb91"
@@ -3151,15 +4276,27 @@ structured-source@^3.0.2:
   dependencies:
     boundary "^1.0.1"
 
-supports-color@3.1.2:
+supports-color@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-0.2.0.tgz#d92de2694eb3f67323973d7ae3d8b55b4c22190a"
+
+supports-color@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
+
+supports-color@^3.1.2:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.1.2.tgz#72a262894d9d408b956ca05ff37b2ed8a6e2a2d5"
   dependencies:
     has-flag "^1.0.0"
 
-supports-color@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
+symbol-observable@^0.2.2:
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-0.2.4.tgz#95a83db26186d6af7e7a18dbd9760a2f86d08f40"
+
+symbol@^0.2.1:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/symbol/-/symbol-0.2.3.tgz#3b9873b8a901e47c6efe21526a3ac372ef28bbc7"
 
 table@^3.7.8:
   version "3.8.3"
@@ -3193,18 +4330,52 @@ tar@~2.2.1:
     fstream "^1.0.2"
     inherits "2"
 
+test-exclude@^3.2.2, test-exclude@^3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-3.3.0.tgz#7a17ca1239988c98367b0621456dbb7d4bc38977"
+  dependencies:
+    arrify "^1.0.1"
+    micromatch "^2.3.11"
+    object-assign "^4.1.0"
+    read-pkg-up "^1.0.1"
+    require-main-filename "^1.0.1"
+
 text-table@^0.2.0, text-table@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
 
+the-argv@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/the-argv/-/the-argv-1.0.0.tgz#0084705005730dd84db755253c931ae398db9522"
+
+through2@^2.0.0:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.3.tgz#0004569b37c7c74ba39c43f3ced78d1ad94140be"
+  dependencies:
+    readable-stream "^2.1.5"
+    xtend "~4.0.1"
+
 through@2, through@^2.3.6, through@~2.3, through@~2.3.1:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
+time-require@^0.1.2:
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/time-require/-/time-require-0.1.2.tgz#f9e12cb370fc2605e11404582ba54ef5ca2b2d98"
+  dependencies:
+    chalk "^0.4.0"
+    date-time "^0.1.1"
+    pretty-ms "^0.2.1"
+    text-table "^0.2.0"
+
 timed-out@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-2.0.0.tgz#f38b0ae81d3747d628001f41dafc652ace671c0a"
 
+timed-out@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/timed-out/-/timed-out-3.0.0.tgz#ff88de96030ce960eabd42487db61d3add229273"
+
 to-fast-properties@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.2.tgz#f3f5c0c3ba7299a7ef99427e44633257ade43320"
@@ -3231,6 +4402,10 @@ traverse@^0.6.6:
   version "0.6.6"
   resolved "https://registry.yarnpkg.com/traverse/-/traverse-0.6.6.tgz#cbdf560fd7b9af632502fed40f918c157ea97137"
 
+trim-newlines@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
+
 trim-trailing-lines@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/trim-trailing-lines/-/trim-trailing-lines-1.1.0.tgz#7aefbb7808df9d669f6da2e438cac8c46ada7684"
@@ -3257,14 +4432,6 @@ type-check@~0.3.2:
   dependencies:
     prelude-ls "~1.1.2"
 
-type-detect@0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-0.1.1.tgz#0ba5ec2a885640e470ea4e8505971900dac58822"
-
-type-detect@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-1.0.0.tgz#762217cc06db258ec48908a1298e8b95121e8ea2"
-
 type-is@~1.6.13:
   version "1.6.14"
   resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.14.tgz#e219639c17ded1ca0789092dd54a03826b817cb2"
@@ -3272,14 +4439,35 @@ type-is@~1.6.13:
     media-typer "0.3.0"
     mime-types "~2.1.13"
 
+type-name@^2.0.1:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/type-name/-/type-name-2.0.2.tgz#efe7d4123d8ac52afff7f40c7e4dec5266008fb4"
+
 typedarray@~0.0.5:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
+uglify-js@^2.6:
+  version "2.7.5"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.7.5.tgz#4612c0c7baaee2ba7c487de4904ae122079f2ca8"
+  dependencies:
+    async "~0.2.6"
+    source-map "~0.5.1"
+    uglify-to-browserify "~1.0.0"
+    yargs "~3.10.0"
+
+uglify-to-browserify@~1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
+
 uid-number@~0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/uid-number/-/uid-number-0.0.6.tgz#0ea10e8035e8eb5b8e4449f06da1c730663baa81"
 
+uid2@0.0.3:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/uid2/-/uid2-0.0.3.tgz#483126e11774df2f71b8b639dcd799c376162b82"
+
 undefsafe@0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/undefsafe/-/undefsafe-0.0.3.tgz#ecca3a03e56b9af17385baac812ac83b994a962f"
@@ -3310,6 +4498,14 @@ uniq@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/uniq/-/uniq-1.0.1.tgz#b31c5ae8254844a3a8281541ce2b04b865a734ff"
 
+unique-temp-dir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/unique-temp-dir/-/unique-temp-dir-1.0.0.tgz#6dce95b2681ca003eebfb304a415f9cbabcc5385"
+  dependencies:
+    mkdirp "^0.5.1"
+    os-tmpdir "^1.0.1"
+    uid2 "0.0.3"
+
 unist-util-remove-position@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/unist-util-remove-position/-/unist-util-remove-position-1.1.0.tgz#2444fedc344bc5f540dab6353e013b6d78101dc2"
@@ -3330,6 +4526,10 @@ untildify@^2.1.0:
   dependencies:
     os-homedir "^1.0.0"
 
+unzip-response@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/unzip-response/-/unzip-response-1.0.2.tgz#b984f0877fc0a89c2c773cc1ef7b5b232b5b06fe"
+
 update-notifier@0.5.0:
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/update-notifier/-/update-notifier-0.5.0.tgz#07b5dc2066b3627ab3b4f530130f7eddda07a4cc"
@@ -3342,10 +4542,29 @@ update-notifier@0.5.0:
     semver-diff "^2.0.0"
     string-length "^1.0.0"
 
+update-notifier@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/update-notifier/-/update-notifier-1.0.3.tgz#8f92c515482bd6831b7c93013e70f87552c7cf5a"
+  dependencies:
+    boxen "^0.6.0"
+    chalk "^1.0.0"
+    configstore "^2.0.0"
+    is-npm "^1.0.0"
+    latest-version "^2.0.0"
+    lazy-req "^1.1.0"
+    semver-diff "^2.0.0"
+    xdg-basedir "^2.0.0"
+
 update-section@^0.3.0:
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/update-section/-/update-section-0.3.3.tgz#458f17820d37820dc60e20b86d94391b00123158"
 
+url-parse-lax@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/url-parse-lax/-/url-parse-lax-1.0.0.tgz#7af8f303645e9bd79a272e7a14ac68bc0609da73"
+  dependencies:
+    prepend-http "^1.0.1"
+
 user-home@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/user-home/-/user-home-1.1.1.tgz#2b5be23a32b63a7c9deb8d0f28d485724a3df190"
@@ -3378,6 +4597,13 @@ v8flags@^2.0.10:
   dependencies:
     user-home "^1.1.1"
 
+validate-npm-package-license@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz#2804babe712ad3379459acfbe24746ab2c303fbc"
+  dependencies:
+    spdx-correct "~1.0.0"
+    spdx-expression-parse "~1.0.0"
+
 vary@~1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.0.tgz#e1e5affbbd16ae768dd2674394b9ad3022653140"
@@ -3430,16 +4656,55 @@ ware@^1.3.0:
   dependencies:
     wrap-fn "^0.1.0"
 
+which-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-1.0.0.tgz#bba63ca861948994ff307736089e3b96026c2a4f"
+
+which@^1.2.4, which@^1.2.9:
+  version "1.2.12"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.2.12.tgz#de67b5e450269f194909ef23ece4ebe416fa1192"
+  dependencies:
+    isexe "^1.1.1"
+
 wide-align@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/wide-align/-/wide-align-1.1.0.tgz#40edde802a71fea1f070da3e62dcda2e7add96ad"
   dependencies:
     string-width "^1.0.1"
 
+widest-line@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/widest-line/-/widest-line-1.0.0.tgz#0c09c85c2a94683d0d7eaf8ee097d564bf0e105c"
+  dependencies:
+    string-width "^1.0.1"
+
+window-size@0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.0.tgz#5438cd2ea93b202efa3a19fe8887aee7c94f9c9d"
+
+window-size@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.2.0.tgz#b4315bb4214a3d7058ebeee892e13fa24d98b075"
+
+wordwrap@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
+
+wordwrap@~0.0.2:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
+
 wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
 
+wrap-ansi@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+
 wrap-fn@^0.1.0:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/wrap-fn/-/wrap-fn-0.1.5.tgz#f21b6e41016ff4a7e31720dbc63a09016bdf9845"
@@ -3450,7 +4715,7 @@ wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
 
-write-file-atomic@^1.1.2:
+write-file-atomic@^1.1.2, write-file-atomic@^1.1.4:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/write-file-atomic/-/write-file-atomic-1.2.0.tgz#14c66d4e4cb3ca0565c28cf3b7a6f3e4d5938fab"
   dependencies:
@@ -3458,6 +4723,24 @@ write-file-atomic@^1.1.2:
     imurmurhash "^0.1.4"
     slide "^1.1.5"
 
+write-json-file@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/write-json-file/-/write-json-file-1.2.0.tgz#2d5dfe96abc3c889057c93971aa4005efb548134"
+  dependencies:
+    graceful-fs "^4.1.2"
+    mkdirp "^0.5.1"
+    object-assign "^4.0.1"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+    sort-keys "^1.1.1"
+    write-file-atomic "^1.1.2"
+
+write-pkg@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/write-pkg/-/write-pkg-1.0.0.tgz#aeb8aa9d4d788e1d893dfb0854968b543a919f57"
+  dependencies:
+    write-json-file "^1.1.0"
+
 write@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/write/-/write-0.2.1.tgz#5fc03828e264cea3fe91455476f7a3c566cb0757"
@@ -3470,10 +4753,48 @@ xdg-basedir@^2.0.0:
   dependencies:
     os-homedir "^1.0.0"
 
-xtend@^4.0.0, xtend@^4.0.1:
+xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
+y18n@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
+
 yallist@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.0.0.tgz#306c543835f09ee1a4cb23b7bce9ab341c91cdd4"
+
+yargs-parser@^4.0.2, yargs-parser@^4.2.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-4.2.0.tgz#6ced869cd05a3dca6a1eaee38b68aeed4b0b4101"
+  dependencies:
+    camelcase "^3.0.0"
+
+yargs@^6.4.0:
+  version "6.5.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-6.5.0.tgz#a902e23a1f0fe912b2a03f6131b7ed740c9718ff"
+  dependencies:
+    camelcase "^3.0.0"
+    cliui "^3.2.0"
+    decamelize "^1.1.1"
+    get-caller-file "^1.0.1"
+    os-locale "^1.4.0"
+    read-pkg-up "^1.0.1"
+    require-directory "^2.1.1"
+    require-main-filename "^1.0.1"
+    set-blocking "^2.0.0"
+    string-width "^1.0.2"
+    which-module "^1.0.0"
+    window-size "^0.2.0"
+    y18n "^3.2.1"
+    yargs-parser "^4.2.0"
+
+yargs@~3.10.0:
+  version "3.10.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
+  dependencies:
+    camelcase "^1.0.2"
+    cliui "^2.1.0"
+    decamelize "^1.0.0"
+    window-size "0.1.0"