diff --git a/.gitignore b/.gitignore
index 665cd71..70630e0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
-.node-version
-node_modules/
+.DS_Store
+*.swp
+node_modules
 coverage
+.nyc_output
+*.log
diff --git a/.travis.yml b/.travis.yml
index 1ceabf6..7655660 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,6 @@
 sudo: false
 language: node_js
 node_js:
-  - "node"
+  - "7"
 script: "npm run test-travis"
 after_script: "npm install coveralls@2 && cat ./coverage/lcov.info | coveralls"
diff --git a/index.js b/index.js
index 583aa27..739d3c5 100644
--- a/index.js
+++ b/index.js
@@ -50,7 +50,7 @@ LOCALE_METHODS.forEach((m) => {
   Object.defineProperty(I18n.prototype, SET_PREFIX + m, {
     value: function () {
       let locale = getLocale(this.request[GET_PREFIX + m]())
-      if (locale === this.getLocale().toLowerCase()) return true
+      if (locale === this.getLocale()) return true
       if ((locale = filter(locale, this.locales))) {
         this.setLocale(locale)
         debug('Overriding locale from %s : %s', m.toLowerCase(), locale)
@@ -81,8 +81,9 @@ function ial(app, opts) {
         return this._i18n
       }
 
-      const i18n = this._i18n = new I18n(opts)
+      const i18n = new I18n(opts)
       i18n.request = this.request
+      this._i18n = i18n
 
       // merge into ctx.state
       this.state.i18n = i18n
diff --git a/package.json b/package.json
index 76b0900..d9ea1a5 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "koa-i18n",
-  "version": "2.0.1",
+  "version": "2.1.0",
   "description": "Lightweight simple translation middleware for koa, based on i18n-2",
   "main": "index.js",
   "scripts": {
@@ -8,7 +8,7 @@
     "test-cov": "istanbul cover node_modules/.bin/_mocha -- -R dot -t 5000 test/*.js",
     "test-travis": "istanbul cover node_modules/.bin/_mocha --report lcovonly -- -R dot -t 5000 test/*.js"
   },
-  "repository": "http://github.com/koa-modules/koa-i18n.git",
+  "repository": "koa-modules/koa-i18n",
   "keywords": [
     "koa",
     "locale",
@@ -22,20 +22,20 @@
     "i18n-2": "*"
   },
   "devDependencies": {
-    "istanbul": "0.4.x",
-    "jade": "*",
-    "koa": "next",
-    "koa-compose": "3.x",
-    "koa-convert": "1.x",
-    "koa-locale": "*",
-    "koa-swig": "2.*",
-    "koa-views": "*",
-    "mocha": "*",
-    "should": "*",
-    "supertest": "*"
+    "istanbul": "^0.4.5",
+    "koa": "^2.2.0",
+    "koa-compose": "^3.2.1",
+    "koa-convert": "^1.2.0",
+    "koa-locale": "^1.3.0",
+    "koa-swig": "^2.2.1",
+    "koa-views": "^6.0.1",
+    "mocha": "^3.2.0",
+    "pug": "^2.0.0-beta11",
+    "should": "^11.2.1",
+    "supertest": "^3.0.0"
   },
   "engines": {
-    "node": ">= 4.0.0"
+    "node": ">=7"
   },
   "files": [
     "LICENSE",
diff --git a/test/fixtures/index.jade b/test/fixtures/index.pug
similarity index 100%
rename from test/fixtures/index.jade
rename to test/fixtures/index.pug
diff --git a/test/index.js b/test/index.js
index a61b99e..4965c44 100644
--- a/test/index.js
+++ b/test/index.js
@@ -16,7 +16,6 @@ const views = require('koa-views')
 const i18n = require('..')
 
 describe('koa-i18n', () => {
-
   describe('Detect the Querystring', () => {
     it('should be `en` locale', () => {
       var app = new Koa()
@@ -186,7 +185,7 @@ describe('koa-i18n', () => {
     })
   })
 
-  describe('working together with koa-views, jade render', () => {
+  describe('working together with koa-views, pug render', () => {
     it('should be render by zh-cn locale', () => {
       var app = new Koa()
 
@@ -198,19 +197,19 @@ describe('koa-i18n', () => {
         modes: ['cookie']
       }))
 
-      app.use(convert(views(__dirname + '/fixtures/', {
-        default: 'jade'
-      })))
-
-      app.use(convert(function*(next) {
-        yield this.render('index')
+      app.use(views(__dirname + '/fixtures/', {
+        extension: 'pug'
       }))
 
+      app.use(async (ctx, next) => {
+        await ctx.render('index')
+      })
+
       return request(app.listen())
-      .get('/')
-      .set('Cookie', 'lang=zh-cn')
-      .expect(/<div><p>英文<\/p><\/div>/)
-      .expect(200)
+        .get('/')
+        .set('Cookie', 'lang=zh-cn')
+        .expect(/<div><p>英文<\/p><\/div>/)
+        .expect(200)
     })
   })
 
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..e671c70
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,1130 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+abbrev@1, abbrev@1.0.x:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.0.9.tgz#91b4792588a7738c25f35dd6f63752a2f8776135"
+
+accepts@^1.2.2:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.3.tgz#c3ca7434938648c3e0d9c1e328dd68b622c284ca"
+  dependencies:
+    mime-types "~2.1.11"
+    negotiator "0.6.1"
+
+acorn-globals@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/acorn-globals/-/acorn-globals-3.1.0.tgz#fd8270f71fbb4996b004fa880ee5d46573a731bf"
+  dependencies:
+    acorn "^4.0.4"
+
+acorn@^3.1.0, acorn@~3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
+
+acorn@^4.0.4, acorn@~4.0.2:
+  version "4.0.11"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.11.tgz#edcda3bd937e7556410d42ed5860f67399c794c0"
+
+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"
+
+any-promise@^1.0.0, any-promise@^1.1.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/any-promise/-/any-promise-1.3.0.tgz#abc6afeedcea52e809cdc0376aed3ce39635d17f"
+
+argparse@^1.0.7:
+  version "1.0.9"
+  resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.9.tgz#73d83bc263f86e97f8cc4f6bae1b0e90a7d22c86"
+  dependencies:
+    sprintf-js "~1.0.2"
+
+asap@~2.0.3:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/asap/-/asap-2.0.5.tgz#522765b50c3510490e52d7dcfe085ef9ba96958f"
+
+async@1.x, async@^1.4.0:
+  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"
+
+balanced-match@^0.4.1:
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-0.4.2.tgz#cb3f3e3c732dc0f01ee70b403f302e61d7709838"
+
+bluebird@^3.1.1:
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.0.tgz#791420d7f551eea2897453a8a77653f96606d67c"
+
+brace-expansion@^1.0.0:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.7.tgz#3effc3c50e000531fb720eaff80f0ae8ef23cf59"
+  dependencies:
+    balanced-match "^0.4.1"
+    concat-map "0.0.1"
+
+browser-stdout@1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/browser-stdout/-/browser-stdout-1.3.0.tgz#f351d32969d32fa5d7a5567154263d928ae3bd1f"
+
+buffer-shims@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/buffer-shims/-/buffer-shims-1.0.0.tgz#9978ce317388c649ad8793028c3477ef044a8b51"
+
+camelcase@^1.0.2:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
+
+center-align@^0.1.1:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/center-align/-/center-align-0.1.3.tgz#aa0d32629b6ee972200411cbd4461c907bc2b7ad"
+  dependencies:
+    align-text "^0.1.3"
+    lazy-cache "^1.0.3"
+
+character-parser@^2.1.1:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/character-parser/-/character-parser-2.2.0.tgz#c7ce28f36d4bcd9744e5ffc2c5fcde1c73261fc0"
+  dependencies:
+    is-regex "^1.0.3"
+
+clean-css@^3.3.0:
+  version "3.4.25"
+  resolved "https://registry.yarnpkg.com/clean-css/-/clean-css-3.4.25.tgz#9e9a52d5c1e6bc5123e1b2783fa65fe958946ede"
+  dependencies:
+    commander "2.8.x"
+    source-map "0.4.x"
+
+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"
+
+co@^4.6.0:
+  version "4.6.0"
+  resolved "https://registry.yarnpkg.com/co/-/co-4.6.0.tgz#6ea6bdf3d853ae54ccb8e47bfa0bf3f9031fb184"
+
+combined-stream@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.5.tgz#938370a57b4a51dea2c77c15d5c5fdf895164009"
+  dependencies:
+    delayed-stream "~1.0.0"
+
+commander@2.8.x:
+  version "2.8.1"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.8.1.tgz#06be367febfda0c330aa1e2a072d3dc9762425d4"
+  dependencies:
+    graceful-readlink ">= 1.0.0"
+
+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"
+
+component-emitter@^1.2.0:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/component-emitter/-/component-emitter-1.2.1.tgz#137918d6d78283f7df7a6b7c5a63e140e69425e6"
+
+concat-map@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
+
+consolidate@^0.14.1:
+  version "0.14.5"
+  resolved "https://registry.yarnpkg.com/consolidate/-/consolidate-0.14.5.tgz#5a25047bc76f73072667c8cb52c989888f494c63"
+  dependencies:
+    bluebird "^3.1.1"
+
+constantinople@^3.0.1:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/constantinople/-/constantinople-3.1.0.tgz#7569caa8aa3f8d5935d62e1fa96f9f702cd81c79"
+  dependencies:
+    acorn "^3.1.0"
+    is-expression "^2.0.1"
+
+content-disposition@~0.5.0:
+  version "0.5.2"
+  resolved "https://registry.yarnpkg.com/content-disposition/-/content-disposition-0.5.2.tgz#0cf68bb9ddf5f2be7961c3a85178cb85dba78cb4"
+
+content-type@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.2.tgz#b7d113aee7a8dd27bd21133c4dc2529df1721eed"
+
+cookiejar@^2.0.6:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/cookiejar/-/cookiejar-2.1.1.tgz#41ad57b1b555951ec171412a81942b1e8200d34a"
+
+cookies@~0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/cookies/-/cookies-0.7.0.tgz#0bc961d910c35254980fc7c9eff5da12011bbf00"
+  dependencies:
+    depd "~1.1.0"
+    keygrip "~1.0.1"
+
+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"
+
+debug@*, debug@^2.1.3, debug@^2.2.0, debug@^2.6.0, debug@^2.x:
+  version "2.6.3"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.3.tgz#0f7eb8c30965ec08c72accfa0130c8b79984141d"
+  dependencies:
+    ms "0.7.2"
+
+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"
+
+decamelize@^1.0.0:
+  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-is@~0.1.3:
+  version "0.1.3"
+  resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
+
+delayed-stream@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
+
+delegates@1.0.0, delegates@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
+
+depd@^1.1.0, depd@~1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.0.tgz#e1bd82c6aab6ced965b97b88b17ed3e528ca18c3"
+
+destroy@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/destroy/-/destroy-1.0.4.tgz#978857442c44749e4206613e37946205826abd80"
+
+diff@1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-1.4.0.tgz#7f28d2eb9ee7b15a97efd89ce63dcfdaa3ccbabf"
+
+doctypes@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/doctypes/-/doctypes-1.1.0.tgz#ea80b106a87538774e8a3a4a5afe293de489e0a9"
+
+ee-first@1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ee-first/-/ee-first-1.1.1.tgz#590c61156b0ae2f4f0255732a158b266bc56b21d"
+
+error-inject@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/error-inject/-/error-inject-1.0.0.tgz#e2b3d91b54aed672f309d950d154850fa11d4f37"
+
+escape-html@~1.0.1:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
+
+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"
+
+escodegen@1.8.x:
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/escodegen/-/escodegen-1.8.1.tgz#5a5b53af4693110bebb0867aa3430dd3b70a1018"
+  dependencies:
+    esprima "^2.7.1"
+    estraverse "^1.9.1"
+    esutils "^2.0.2"
+    optionator "^0.8.1"
+  optionalDependencies:
+    source-map "~0.2.0"
+
+esprima@2.7.x, esprima@^2.7.1:
+  version "2.7.3"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
+
+esprima@^3.1.1:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-3.1.3.tgz#fdca51cee6133895e3c88d535ce49dbff62a4633"
+
+estraverse@^1.9.1:
+  version "1.9.3"
+  resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-1.9.3.tgz#af67f2dc922582415950926091a4005d29c9bb44"
+
+esutils@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
+
+extend@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.0.tgz#5a474353b9f3353ddd8176dfd37b91c83a46f1d4"
+
+fast-levenshtein@~2.0.4:
+  version "2.0.6"
+  resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
+
+form-data@^2.1.1:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.1.4.tgz#33c183acf193276ecaa98143a69e94bfee1750d1"
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "^1.0.5"
+    mime-types "^2.1.12"
+
+formidable@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/formidable/-/formidable-1.1.1.tgz#96b8886f7c3c3508b932d6bd70c4d3a88f35f1a9"
+
+fresh@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.0.tgz#f474ca5e6a9246d6fd8e0953cfa9b9c805afa78e"
+
+fs.realpath@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
+
+function-bind@^1.0.2:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/function-bind/-/function-bind-1.1.0.tgz#16176714c801798e4e8f2cf7f7529467bb4a5771"
+
+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@^5.0.15:
+  version "5.0.15"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-5.0.15.tgz#1bc936b9e02f4a603fcc222ecf7633d30b8b93b1"
+  dependencies:
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "2 || 3"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+"graceful-readlink@>= 1.0.0":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
+
+growl@1.9.2:
+  version "1.9.2"
+  resolved "https://registry.yarnpkg.com/growl/-/growl-1.9.2.tgz#0ea7743715db8d8de2c5ede1775e1b45ac85c02f"
+
+handlebars@^4.0.1:
+  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"
+
+has-flag@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-1.0.0.tgz#9d9e793165ce017a00f00418c43f942a7b1d11fa"
+
+has@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/has/-/has-1.0.1.tgz#8461733f538b0837c9361e39a9ab9e9704dc2f28"
+  dependencies:
+    function-bind "^1.0.2"
+
+http-assert@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/http-assert/-/http-assert-1.2.0.tgz#d6392e6f6519def4e340266b35096db6d3feba00"
+  dependencies:
+    deep-equal "~1.0.0"
+    http-errors "~1.4.0"
+
+http-errors@^1.2.8, http-errors@~1.5.0:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.5.1.tgz#788c0d2c1de2c81b9e6e8c01843b6b97eb920750"
+  dependencies:
+    inherits "2.0.3"
+    setprototypeof "1.0.2"
+    statuses ">= 1.3.1 < 2"
+
+http-errors@~1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-1.4.0.tgz#6c0242dea6b3df7afda153c71089b31c6e82aabf"
+  dependencies:
+    inherits "2.0.1"
+    statuses ">= 1.2.1 < 2"
+
+i18n-2@*:
+  version "0.6.3"
+  resolved "https://registry.yarnpkg.com/i18n-2/-/i18n-2-0.6.3.tgz#57ac6185e3ea47cffe993cd7a5c14b40df364b39"
+  dependencies:
+    sprintf "^0.1.5"
+
+inflight@^1.0.4:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/inflight/-/inflight-1.0.6.tgz#49bd6331d7d02d0c09bc910a1075ba8165b56df9"
+  dependencies:
+    once "^1.3.0"
+    wrappy "1"
+
+inherits@2, inherits@2.0.3, inherits@~2.0.1:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
+
+inherits@2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
+
+is-buffer@^1.0.2:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.5.tgz#1f3b26ef613b214b88cbca23cc6c01d87961eecc"
+
+is-expression@^2.0.1:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-expression/-/is-expression-2.1.0.tgz#91be9d47debcfef077977e9722be6dcfb4465ef0"
+  dependencies:
+    acorn "~3.3.0"
+    object-assign "^4.0.1"
+
+is-expression@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/is-expression/-/is-expression-3.0.0.tgz#39acaa6be7fd1f3471dc42c7416e61c24317ac9f"
+  dependencies:
+    acorn "~4.0.2"
+    object-assign "^4.0.1"
+
+is-generator-function@^1.0.3:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/is-generator-function/-/is-generator-function-1.0.6.tgz#9e71653cd15fff341c79c4151460a131d31e9fc4"
+
+is-promise@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/is-promise/-/is-promise-2.1.0.tgz#79a2a9ece7f096e80f36d2b2f3bc16c1ff4bf3fa"
+
+is-regex@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz#5517489b547091b0930e095654ced25ee97e9491"
+  dependencies:
+    has "^1.0.1"
+
+isarray@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/isarray/-/isarray-1.0.0.tgz#bb935d48582cba168c06834957a54a3e07124f11"
+
+isexe@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
+
+istanbul@^0.4.5:
+  version "0.4.5"
+  resolved "https://registry.yarnpkg.com/istanbul/-/istanbul-0.4.5.tgz#65c7d73d4c4da84d4f3ac310b918fb0b8033733b"
+  dependencies:
+    abbrev "1.0.x"
+    async "1.x"
+    escodegen "1.8.x"
+    esprima "2.7.x"
+    glob "^5.0.15"
+    handlebars "^4.0.1"
+    js-yaml "3.x"
+    mkdirp "0.5.x"
+    nopt "3.x"
+    once "1.x"
+    resolve "1.1.x"
+    supports-color "^3.1.0"
+    which "^1.1.1"
+    wordwrap "^1.0.0"
+
+js-stringify@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/js-stringify/-/js-stringify-1.0.2.tgz#1736fddfd9724f28a3682adc6230ae7e4e9679db"
+
+js-yaml@3.x:
+  version "3.8.3"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.8.3.tgz#33a05ec481c850c8875929166fe1beb61c728766"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^3.1.1"
+
+json3@3.3.2:
+  version "3.3.2"
+  resolved "https://registry.yarnpkg.com/json3/-/json3-3.3.2.tgz#3c0434743df93e2f5c42aee7b19bcb483575f4e1"
+
+jstransformer@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/jstransformer/-/jstransformer-1.0.0.tgz#ed8bf0921e2f3f1ed4d5c1a44f68709ed24722c3"
+  dependencies:
+    is-promise "^2.0.0"
+    promise "^7.0.1"
+
+keygrip@~1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/keygrip/-/keygrip-1.0.1.tgz#b02fa4816eef21a8c4b35ca9e52921ffc89a30e9"
+
+kind-of@^3.0.2:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/kind-of/-/kind-of-3.1.0.tgz#475d698a5e49ff5e53d14e3e732429dc8bf4cf47"
+  dependencies:
+    is-buffer "^1.0.2"
+
+koa-compose@^3.0.0, koa-compose@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/koa-compose/-/koa-compose-3.2.1.tgz#a85ccb40b7d986d8e5a345b3a1ace8eabcf54de7"
+  dependencies:
+    any-promise "^1.1.0"
+
+koa-convert@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/koa-convert/-/koa-convert-1.2.0.tgz#da40875df49de0539098d1700b50820cebcd21d0"
+  dependencies:
+    co "^4.6.0"
+    koa-compose "^3.0.0"
+
+koa-is-json@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/koa-is-json/-/koa-is-json-1.0.0.tgz#273c07edcdcb8df6a2c1ab7d59ee76491451ec14"
+
+koa-locale@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/koa-locale/-/koa-locale-1.3.0.tgz#95289ae6fa4098804a1ee8aadd46b0af1c82cbcb"
+  dependencies:
+    delegates "1.0.0"
+
+koa-send@^3.1.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/koa-send/-/koa-send-3.3.0.tgz#5a4ae245564680c6ecf6079e9275fa5173a861dc"
+  dependencies:
+    co "^4.6.0"
+    debug "^2.6.0"
+    mz "^2.3.1"
+    resolve-path "^1.3.1"
+
+koa-swig@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/koa-swig/-/koa-swig-2.2.1.tgz#0cc30c581faa7a8f0c1e5b5242fb3bd04a895969"
+  dependencies:
+    debug "^2.x"
+    swig-templates "^2.0.2"
+    thenify "^3.1.0"
+    utils-merge "^1.0.0"
+
+koa-views@^6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/koa-views/-/koa-views-6.0.1.tgz#1abcb904740134d775a7c7c33bbf7365c8c1f8e8"
+  dependencies:
+    consolidate "^0.14.1"
+    debug "^2.1.3"
+    koa-send "^3.1.0"
+    mz "^2.4.0"
+
+koa@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/koa/-/koa-2.2.0.tgz#b055933187849d540ad8b9f731baaa4be97c652d"
+  dependencies:
+    accepts "^1.2.2"
+    content-disposition "~0.5.0"
+    content-type "^1.0.0"
+    cookies "~0.7.0"
+    debug "*"
+    delegates "^1.0.0"
+    depd "^1.1.0"
+    destroy "^1.0.3"
+    error-inject "~1.0.0"
+    escape-html "~1.0.1"
+    fresh "^0.5.0"
+    http-assert "^1.1.0"
+    http-errors "^1.2.8"
+    is-generator-function "^1.0.3"
+    koa-compose "^3.0.0"
+    koa-convert "^1.2.0"
+    koa-is-json "^1.0.0"
+    mime-types "^2.0.7"
+    on-finished "^2.1.0"
+    only "0.0.2"
+    parseurl "^1.3.0"
+    statuses "^1.2.0"
+    type-is "^1.5.5"
+    vary "^1.0.0"
+
+lazy-cache@^1.0.3:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
+
+levn@~0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
+  dependencies:
+    prelude-ls "~1.1.2"
+    type-check "~0.3.2"
+
+lodash._baseassign@^3.0.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/lodash._baseassign/-/lodash._baseassign-3.2.0.tgz#8c38a099500f215ad09e59f1722fd0c52bfe0a4e"
+  dependencies:
+    lodash._basecopy "^3.0.0"
+    lodash.keys "^3.0.0"
+
+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._getnative@^3.0.0:
+  version "3.9.1"
+  resolved "https://registry.yarnpkg.com/lodash._getnative/-/lodash._getnative-3.9.1.tgz#570bc7dede46d61cdcde687d65d3eecbaa3aaff5"
+
+lodash._isiterateecall@^3.0.0:
+  version "3.0.9"
+  resolved "https://registry.yarnpkg.com/lodash._isiterateecall/-/lodash._isiterateecall-3.0.9.tgz#5203ad7ba425fae842460e696db9cf3e6aac057c"
+
+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.isarguments@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz#2f573d85c6a24289ff00663b491c1d338ff3458a"
+
+lodash.isarray@^3.0.0:
+  version "3.0.4"
+  resolved "https://registry.yarnpkg.com/lodash.isarray/-/lodash.isarray-3.0.4.tgz#79e4eb88c36a8122af86f844aa9bcd851b5fbb55"
+
+lodash.keys@^3.0.0:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/lodash.keys/-/lodash.keys-3.1.2.tgz#4dbc0472b156be50a0b286855d1bd0b0c656098a"
+  dependencies:
+    lodash._getnative "^3.0.0"
+    lodash.isarguments "^3.0.0"
+    lodash.isarray "^3.0.0"
+
+longest@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/longest/-/longest-1.0.1.tgz#30a0b2da38f73770e8294a0d22e6625ed77d0097"
+
+media-typer@0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
+
+methods@^1.1.1, methods@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
+
+mime-db@~1.27.0:
+  version "1.27.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.27.0.tgz#820f572296bbd20ec25ed55e5b5de869e5436eb1"
+
+mime-types@^2.0.7, mime-types@^2.1.12, mime-types@~2.1.11, mime-types@~2.1.15:
+  version "2.1.15"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.15.tgz#a4ebf5064094569237b8cf70046776d09fc92aed"
+  dependencies:
+    mime-db "~1.27.0"
+
+mime@^1.3.4:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-1.3.4.tgz#115f9e3b6b3daf2959983cb38f149a2d40eb5d53"
+
+"minimatch@2 || 3", minimatch@^3.0.2:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.3.tgz#2a4e4090b96b2db06a9d7df01055a62a77c9b774"
+  dependencies:
+    brace-expansion "^1.0.0"
+
+minimist@0.0.8, minimist@~0.0.1:
+  version "0.0.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+
+mkdirp@0.5.1, mkdirp@0.5.x:
+  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:
+  version "0.7.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.2.tgz#ae25cf2512b3885a1d95d7f037868d8431124765"
+
+mz@^2.3.1, mz@^2.4.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/mz/-/mz-2.6.0.tgz#c8b8521d958df0a4f2768025db69c719ee4ef1ce"
+  dependencies:
+    any-promise "^1.0.0"
+    object-assign "^4.0.1"
+    thenify-all "^1.0.0"
+
+negotiator@0.6.1:
+  version "0.6.1"
+  resolved "https://registry.yarnpkg.com/negotiator/-/negotiator-0.6.1.tgz#2b327184e8992101177b28563fb5e7102acd0ca9"
+
+nopt@3.x:
+  version "3.0.6"
+  resolved "https://registry.yarnpkg.com/nopt/-/nopt-3.0.6.tgz#c6465dbf08abcd4db359317f79ac68a646b28ff9"
+  dependencies:
+    abbrev "1"
+
+object-assign@^4.0.1, object-assign@^4.1.0:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
+
+on-finished@^2.1.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
+  dependencies:
+    ee-first "1.1.1"
+
+once@1.x, once@^1.3.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
+  dependencies:
+    wrappy "1"
+
+only@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/only/-/only-0.0.2.tgz#2afde84d03e50b9a8edc444e30610a70295edfb4"
+
+optimist@^0.6.1, optimist@~0.6:
+  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"
+
+optionator@^0.8.1:
+  version "0.8.2"
+  resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
+  dependencies:
+    deep-is "~0.1.3"
+    fast-levenshtein "~2.0.4"
+    levn "~0.3.0"
+    prelude-ls "~1.1.2"
+    type-check "~0.3.2"
+    wordwrap "~1.0.0"
+
+parseurl@^1.3.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/parseurl/-/parseurl-1.3.1.tgz#c8ab8c9223ba34888aa64a297b28853bec18da56"
+
+path-is-absolute@1.0.1, 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"
+
+prelude-ls@~1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
+
+process-nextick-args@~1.0.6:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/process-nextick-args/-/process-nextick-args-1.0.7.tgz#150e20b756590ad3f91093f25a4f2ad8bff30ba3"
+
+promise@^7.0.1:
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/promise/-/promise-7.1.1.tgz#489654c692616b8aa55b0724fa809bb7db49c5bf"
+  dependencies:
+    asap "~2.0.3"
+
+pug-attrs@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/pug-attrs/-/pug-attrs-2.0.2.tgz#8be2b2225568ffa75d1b866982bff9f4111affcb"
+  dependencies:
+    constantinople "^3.0.1"
+    js-stringify "^1.0.1"
+    pug-runtime "^2.0.3"
+
+pug-code-gen@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/pug-code-gen/-/pug-code-gen-1.1.1.tgz#1cf72744ef2a039eae6a3340caaa1105871258e8"
+  dependencies:
+    constantinople "^3.0.1"
+    doctypes "^1.1.0"
+    js-stringify "^1.0.1"
+    pug-attrs "^2.0.2"
+    pug-error "^1.3.2"
+    pug-runtime "^2.0.3"
+    void-elements "^2.0.1"
+    with "^5.0.0"
+
+pug-error@^1.3.2:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/pug-error/-/pug-error-1.3.2.tgz#53ae7d9d29bb03cf564493a026109f54c47f5f26"
+
+pug-filters@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/pug-filters/-/pug-filters-2.1.1.tgz#10ab2b6d7e5aeec99cad28a1e4c8085f823fc754"
+  dependencies:
+    clean-css "^3.3.0"
+    constantinople "^3.0.1"
+    jstransformer "1.0.0"
+    pug-error "^1.3.2"
+    pug-walk "^1.1.1"
+    resolve "^1.1.6"
+    uglify-js "^2.6.1"
+
+pug-lexer@^2.3.1:
+  version "2.3.2"
+  resolved "https://registry.yarnpkg.com/pug-lexer/-/pug-lexer-2.3.2.tgz#68b19d96ea5dc0e4a86148b01cb966c17815a614"
+  dependencies:
+    character-parser "^2.1.1"
+    is-expression "^3.0.0"
+    pug-error "^1.3.2"
+
+pug-linker@^2.0.1:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/pug-linker/-/pug-linker-2.0.2.tgz#1deca67d741fab46b028c1366f178fbaee620233"
+  dependencies:
+    pug-error "^1.3.2"
+    pug-walk "^1.1.1"
+
+pug-load@^2.0.4:
+  version "2.0.5"
+  resolved "https://registry.yarnpkg.com/pug-load/-/pug-load-2.0.5.tgz#eaaf46ccace8aff7461e0fad1e2b67305514f2c6"
+  dependencies:
+    object-assign "^4.1.0"
+    pug-walk "^1.1.1"
+
+pug-parser@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/pug-parser/-/pug-parser-2.0.2.tgz#53a680cfd05039dcb0c27d029094bc4a792689b0"
+  dependencies:
+    pug-error "^1.3.2"
+    token-stream "0.0.1"
+
+pug-runtime@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/pug-runtime/-/pug-runtime-2.0.3.tgz#98162607b0fce9e254d427f33987a5aee7168bda"
+
+pug-strip-comments@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/pug-strip-comments/-/pug-strip-comments-1.0.2.tgz#d313afa01bcc374980e1399e23ebf2eb9bdc8513"
+  dependencies:
+    pug-error "^1.3.2"
+
+pug-walk@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/pug-walk/-/pug-walk-1.1.1.tgz#b9976240d213692e6993fbc13ae1205c54052efe"
+
+pug@^2.0.0-beta11:
+  version "2.0.0-beta9"
+  resolved "https://registry.yarnpkg.com/pug/-/pug-2.0.0-beta9.tgz#158ec6dbace5bb78f2b25e8825477d03ea6e14b0"
+  dependencies:
+    pug-code-gen "^1.1.1"
+    pug-filters "^2.1.0"
+    pug-lexer "^2.3.1"
+    pug-linker "^2.0.1"
+    pug-load "^2.0.4"
+    pug-parser "^2.0.2"
+    pug-runtime "^2.0.3"
+    pug-strip-comments "^1.0.2"
+
+qs@^6.1.0:
+  version "6.4.0"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.4.0.tgz#13e26d28ad6b0ffaa91312cd3bf708ed351e7233"
+
+readable-stream@^2.0.5:
+  version "2.2.9"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.2.9.tgz#cf78ec6f4a6d1eb43d26488cac97f042e74b7fc8"
+  dependencies:
+    buffer-shims "~1.0.0"
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "~1.0.0"
+    process-nextick-args "~1.0.6"
+    string_decoder "~1.0.0"
+    util-deprecate "~1.0.1"
+
+repeat-string@^1.5.2:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
+
+resolve-path@^1.3.1:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/resolve-path/-/resolve-path-1.3.3.tgz#4d83aba6468c2b8e632a575e3f52b0fa0dbe1a5c"
+  dependencies:
+    http-errors "~1.5.0"
+    path-is-absolute "1.0.1"
+
+resolve@1.1.x, resolve@^1.1.6:
+  version "1.1.7"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
+
+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"
+
+setprototypeof@1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/setprototypeof/-/setprototypeof-1.0.2.tgz#81a552141ec104b88e89ce383103ad5c66564d08"
+
+should-equal@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/should-equal/-/should-equal-1.0.1.tgz#0b6e9516f2601a9fb0bb2dcc369afa1c7e200af7"
+  dependencies:
+    should-type "^1.0.0"
+
+should-format@^3.0.2:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/should-format/-/should-format-3.0.3.tgz#9bfc8f74fa39205c53d38c34d717303e277124f1"
+  dependencies:
+    should-type "^1.3.0"
+    should-type-adaptors "^1.0.1"
+
+should-type-adaptors@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/should-type-adaptors/-/should-type-adaptors-1.0.1.tgz#efe5553cdf68cff66e5c5f51b712dc351c77beaa"
+  dependencies:
+    should-type "^1.3.0"
+    should-util "^1.0.0"
+
+should-type@^1.0.0, should-type@^1.3.0, should-type@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/should-type/-/should-type-1.4.0.tgz#0756d8ce846dfd09843a6947719dfa0d4cff5cf3"
+
+should-util@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/should-util/-/should-util-1.0.0.tgz#c98cda374aa6b190df8ba87c9889c2b4db620063"
+
+should@^11.2.1:
+  version "11.2.1"
+  resolved "https://registry.yarnpkg.com/should/-/should-11.2.1.tgz#90f55145552d01cfc200666e4e818a1c9670eda2"
+  dependencies:
+    should-equal "^1.0.0"
+    should-format "^3.0.2"
+    should-type "^1.4.0"
+    should-type-adaptors "^1.0.1"
+    should-util "^1.0.0"
+
+source-map@0.4.x, 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@~0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.2.0.tgz#dab73fbcfc2ba819b4de03bd6f6eaa48164b3f9d"
+  dependencies:
+    amdefine ">=0.0.4"
+
+source-map@~0.5.1:
+  version "0.5.6"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
+
+sprintf-js@~1.0.2:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
+
+sprintf@^0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/sprintf/-/sprintf-0.1.5.tgz#8f83e39a9317c1a502cb7db8050e51c679f6edcf"
+
+"statuses@>= 1.2.1 < 2", "statuses@>= 1.3.1 < 2", statuses@^1.2.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
+
+string_decoder@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.0.tgz#f06f41157b664d86069f84bdbdc9b0d8ab281667"
+  dependencies:
+    buffer-shims "~1.0.0"
+
+superagent@^3.0.0:
+  version "3.5.2"
+  resolved "https://registry.yarnpkg.com/superagent/-/superagent-3.5.2.tgz#3361a3971567504c351063abeaae0faa23dbf3f8"
+  dependencies:
+    component-emitter "^1.2.0"
+    cookiejar "^2.0.6"
+    debug "^2.2.0"
+    extend "^3.0.0"
+    form-data "^2.1.1"
+    formidable "^1.1.1"
+    methods "^1.1.1"
+    mime "^1.3.4"
+    qs "^6.1.0"
+    readable-stream "^2.0.5"
+
+supertest@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/supertest/-/supertest-3.0.0.tgz#8d4bb68fd1830ee07033b1c5a5a9a4021c965296"
+  dependencies:
+    methods "~1.1.2"
+    superagent "^3.0.0"
+
+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@^3.1.0:
+  version "3.2.3"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.2.3.tgz#65ac0504b3954171d8a64946b2ae3cbb8a5f54f6"
+  dependencies:
+    has-flag "^1.0.0"
+
+swig-templates@^2.0.2:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/swig-templates/-/swig-templates-2.0.2.tgz#d2502a7303019356f4ea76ea9065d4f58af6ab75"
+  dependencies:
+    optimist "~0.6"
+    uglify-js "2.6.0"
+
+thenify-all@^1.0.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/thenify-all/-/thenify-all-1.6.0.tgz#1a1918d402d8fc3f98fbf234db0bcc8cc10e9726"
+  dependencies:
+    thenify ">= 3.1.0 < 4"
+
+"thenify@>= 3.1.0 < 4", thenify@^3.1.0:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/thenify/-/thenify-3.2.1.tgz#251fd1c80aff6e5cf57cb179ab1fcb724269bd11"
+  dependencies:
+    any-promise "^1.0.0"
+
+token-stream@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/token-stream/-/token-stream-0.0.1.tgz#ceeefc717a76c4316f126d0b9dbaa55d7e7df01a"
+
+type-check@~0.3.2:
+  version "0.3.2"
+  resolved "https://registry.yarnpkg.com/type-check/-/type-check-0.3.2.tgz#5884cab512cf1d355e3fb784f30804b2b520db72"
+  dependencies:
+    prelude-ls "~1.1.2"
+
+type-is@^1.5.5:
+  version "1.6.15"
+  resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.15.tgz#cab10fb4909e441c82842eafe1ad646c81804410"
+  dependencies:
+    media-typer "0.3.0"
+    mime-types "~2.1.15"
+
+uglify-js@2.6.0, uglify-js@^2.6:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.6.0.tgz#25eaa1cc3550e39410ceefafd1cfbb6b6d15f001"
+  dependencies:
+    async "~0.2.6"
+    source-map "~0.5.1"
+    uglify-to-browserify "~1.0.0"
+    yargs "~3.10.0"
+
+uglify-js@^2.6.1:
+  version "2.8.22"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.22.tgz#d54934778a8da14903fa29a326fb24c0ab51a1a0"
+  dependencies:
+    source-map "~0.5.1"
+    yargs "~3.10.0"
+  optionalDependencies:
+    uglify-to-browserify "~1.0.0"
+
+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"
+
+util-deprecate@~1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
+
+utils-merge@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.0.tgz#0294fb922bb9375153541c4f7096231f287c8af8"
+
+vary@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/vary/-/vary-1.1.1.tgz#67535ebb694c1d52257457984665323f587e8d37"
+
+void-elements@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/void-elements/-/void-elements-2.0.1.tgz#c066afb582bb1cb4128d60ea92392e94d5e9dbec"
+
+which@^1.1.1:
+  version "1.2.14"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.2.14.tgz#9a87c4378f03e827cecaf1acdf56c736c01c14e5"
+  dependencies:
+    isexe "^2.0.0"
+
+window-size@0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/window-size/-/window-size-0.1.0.tgz#5438cd2ea93b202efa3a19fe8887aee7c94f9c9d"
+
+with@^5.0.0:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/with/-/with-5.1.1.tgz#fa4daa92daf32c4ea94ed453c81f04686b575dfe"
+  dependencies:
+    acorn "^3.1.0"
+    acorn-globals "^3.0.0"
+
+wordwrap@0.0.2:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
+
+wordwrap@^1.0.0, wordwrap@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
+
+wordwrap@~0.0.2:
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
+
+wrappy@1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
+
+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"