diff --git a/package.json b/package.json
index 80213d5..10ec390 100644
--- a/package.json
+++ b/package.json
@@ -44,13 +44,13 @@
   },
   "devDependencies": {
     "ava": "^0.18.2",
-    "babel-eslint": "^7.1.1",
+    "babel-eslint": "^7.2.1",
     "babel-plugin-add-module-exports": "^0.2.1",
     "babel-plugin-transform-flow-strip-types": "^6.22.0",
-    "babel-register": "^6.18.0",
+    "babel-register": "^6.24.0",
     "coveralls": "^2.12.0",
     "del": "^2.2.2",
-    "eslint": "^3.11.0",
+    "eslint": "^3.18.0",
     "eslint-config-xo-space": "^0.16.0",
     "eslint-plugin-babel": "^4.0.0",
     "express": "^4.14.0",
@@ -63,7 +63,7 @@
     "gulp-exclude-gitignore": "^1.1.1",
     "gulp-line-ending-corrector": "^1.0.1",
     "gulp-nsp": "^2.4.2",
-    "nyc": "^10.1.2"
+    "nyc": "^10.2.0"
   },
   "eslintConfig": {
     "extends": "xo-space",
@@ -82,11 +82,11 @@
   },
   "license": "Apache-2.0",
   "dependencies": {
-    "babel-core": "^6.18.0",
-    "babel-preset-es2015": "^6.9.0",
-    "html-minifier": "^3.2.3",
-    "param-case": "^2.1.0",
-    "pug": "^2.0.0-beta11",
+    "babel-core": "^6.24.0",
+    "babel-preset-es2015": "^6.24.0",
+    "html-minifier": "^3.4.2",
+    "param-case": "^2.1.1",
+    "pug": "2.0.0-beta11",
     "require-from-string": "^1.2.1",
     "vue": "^2.2.6",
     "vue-server-renderer": "^2.2.6",
diff --git a/yarn.lock b/yarn.lock
index 9426e48..b2a3b19 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -215,7 +215,7 @@ 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:
+async@^1.4.0:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
@@ -331,15 +331,15 @@ babel-code-frame@^6.16.0, babel-code-frame@^6.22.0:
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
-babel-core@^6.0.2, babel-core@^6.17.0, babel-core@^6.18.0, babel-core@^6.23.0:
-  version "6.23.1"
-  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.23.1.tgz#c143cb621bb2f621710c220c5d579d15b8a442df"
+babel-core@^6.0.2, babel-core@^6.17.0, babel-core@^6.24.0:
+  version "6.24.0"
+  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.24.0.tgz#8f36a0a77f5c155aed6f920b844d23ba56742a02"
   dependencies:
     babel-code-frame "^6.22.0"
-    babel-generator "^6.23.0"
+    babel-generator "^6.24.0"
     babel-helpers "^6.23.0"
     babel-messages "^6.23.0"
-    babel-register "^6.23.0"
+    babel-register "^6.24.0"
     babel-runtime "^6.22.0"
     babel-template "^6.23.0"
     babel-traverse "^6.23.1"
@@ -355,19 +355,18 @@ babel-core@^6.0.2, babel-core@^6.17.0, babel-core@^6.18.0, babel-core@^6.23.0:
     slash "^1.0.0"
     source-map "^0.5.0"
 
-babel-eslint@^7.1.1:
-  version "7.1.1"
-  resolved "https://registry.yarnpkg.com/babel-eslint/-/babel-eslint-7.1.1.tgz#8a6a884f085aa7060af69cfc77341c2f99370fb2"
+babel-eslint@^7.2.1:
+  version "7.2.1"
+  resolved "https://registry.yarnpkg.com/babel-eslint/-/babel-eslint-7.2.1.tgz#079422eb73ba811e3ca0865ce87af29327f8c52f"
   dependencies:
-    babel-code-frame "^6.16.0"
-    babel-traverse "^6.15.0"
-    babel-types "^6.15.0"
-    babylon "^6.13.0"
-    lodash.pickby "^4.6.0"
+    babel-code-frame "^6.22.0"
+    babel-traverse "^6.23.1"
+    babel-types "^6.23.0"
+    babylon "^6.16.1"
 
-babel-generator@^6.1.0, babel-generator@^6.18.0, babel-generator@^6.23.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.23.0.tgz#6b8edab956ef3116f79d8c84c5a3c05f32a74bc5"
+babel-generator@^6.1.0, babel-generator@^6.18.0, babel-generator@^6.24.0:
+  version "6.24.0"
+  resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.24.0.tgz#eba270a8cc4ce6e09a61be43465d7c62c1f87c56"
   dependencies:
     babel-messages "^6.23.0"
     babel-runtime "^6.22.0"
@@ -614,17 +613,17 @@ babel-plugin-transform-es2015-literals@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-transform-es2015-modules-amd@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-amd/-/babel-plugin-transform-es2015-modules-amd-6.22.0.tgz#bf69cd34889a41c33d90dfb740e0091ccff52f21"
+babel-plugin-transform-es2015-modules-amd@^6.24.0:
+  version "6.24.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-amd/-/babel-plugin-transform-es2015-modules-amd-6.24.0.tgz#a1911fb9b7ec7e05a43a63c5995007557bcf6a2e"
   dependencies:
-    babel-plugin-transform-es2015-modules-commonjs "^6.22.0"
+    babel-plugin-transform-es2015-modules-commonjs "^6.24.0"
     babel-runtime "^6.22.0"
     babel-template "^6.22.0"
 
-babel-plugin-transform-es2015-modules-commonjs@^6.18.0, babel-plugin-transform-es2015-modules-commonjs@^6.22.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.23.0.tgz#cba7aa6379fb7ec99250e6d46de2973aaffa7b92"
+babel-plugin-transform-es2015-modules-commonjs@^6.18.0, babel-plugin-transform-es2015-modules-commonjs@^6.24.0:
+  version "6.24.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.24.0.tgz#e921aefb72c2cc26cb03d107626156413222134f"
   dependencies:
     babel-plugin-transform-strict-mode "^6.22.0"
     babel-runtime "^6.22.0"
@@ -639,11 +638,11 @@ babel-plugin-transform-es2015-modules-systemjs@^6.22.0:
     babel-runtime "^6.22.0"
     babel-template "^6.23.0"
 
-babel-plugin-transform-es2015-modules-umd@^6.22.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-umd/-/babel-plugin-transform-es2015-modules-umd-6.23.0.tgz#8d284ae2e19ed8fe21d2b1b26d6e7e0fcd94f0f1"
+babel-plugin-transform-es2015-modules-umd@^6.24.0:
+  version "6.24.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-umd/-/babel-plugin-transform-es2015-modules-umd-6.24.0.tgz#fd5fa63521cae8d273927c3958afd7c067733450"
   dependencies:
-    babel-plugin-transform-es2015-modules-amd "^6.22.0"
+    babel-plugin-transform-es2015-modules-amd "^6.24.0"
     babel-runtime "^6.22.0"
     babel-template "^6.23.0"
 
@@ -734,9 +733,9 @@ babel-plugin-transform-strict-mode@^6.22.0:
     babel-runtime "^6.22.0"
     babel-types "^6.22.0"
 
-babel-preset-es2015@^6.9.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-preset-es2015/-/babel-preset-es2015-6.22.0.tgz#af5a98ecb35eb8af764ad8a5a05eb36dc4386835"
+babel-preset-es2015@^6.24.0:
+  version "6.24.0"
+  resolved "https://registry.yarnpkg.com/babel-preset-es2015/-/babel-preset-es2015-6.24.0.tgz#c162d68b1932696e036cd3110dc1ccd303d2673a"
   dependencies:
     babel-plugin-check-es2015-constants "^6.22.0"
     babel-plugin-transform-es2015-arrow-functions "^6.22.0"
@@ -749,10 +748,10 @@ babel-preset-es2015@^6.9.0:
     babel-plugin-transform-es2015-for-of "^6.22.0"
     babel-plugin-transform-es2015-function-name "^6.22.0"
     babel-plugin-transform-es2015-literals "^6.22.0"
-    babel-plugin-transform-es2015-modules-amd "^6.22.0"
-    babel-plugin-transform-es2015-modules-commonjs "^6.22.0"
+    babel-plugin-transform-es2015-modules-amd "^6.24.0"
+    babel-plugin-transform-es2015-modules-commonjs "^6.24.0"
     babel-plugin-transform-es2015-modules-systemjs "^6.22.0"
-    babel-plugin-transform-es2015-modules-umd "^6.22.0"
+    babel-plugin-transform-es2015-modules-umd "^6.24.0"
     babel-plugin-transform-es2015-object-super "^6.22.0"
     babel-plugin-transform-es2015-parameters "^6.22.0"
     babel-plugin-transform-es2015-shorthand-properties "^6.22.0"
@@ -763,11 +762,11 @@ babel-preset-es2015@^6.9.0:
     babel-plugin-transform-es2015-unicode-regex "^6.22.0"
     babel-plugin-transform-regenerator "^6.22.0"
 
-babel-register@^6.18.0, babel-register@^6.23.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.23.0.tgz#c9aa3d4cca94b51da34826c4a0f9e08145d74ff3"
+babel-register@^6.24.0:
+  version "6.24.0"
+  resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.24.0.tgz#5e89f8463ba9970356d02eb07dabe3308b080cfd"
   dependencies:
-    babel-core "^6.23.0"
+    babel-core "^6.24.0"
     babel-runtime "^6.22.0"
     core-js "^2.4.0"
     home-or-tmp "^2.0.0"
@@ -792,7 +791,7 @@ babel-template@^6.16.0, babel-template@^6.22.0, babel-template@^6.23.0, babel-te
     babylon "^6.11.0"
     lodash "^4.2.0"
 
-babel-traverse@^6.15.0, babel-traverse@^6.18.0, babel-traverse@^6.22.0, babel-traverse@^6.23.0, babel-traverse@^6.23.1:
+babel-traverse@^6.18.0, babel-traverse@^6.22.0, babel-traverse@^6.23.0, babel-traverse@^6.23.1:
   version "6.23.1"
   resolved "https://registry.yarnpkg.com/babel-traverse/-/babel-traverse-6.23.1.tgz#d3cb59010ecd06a97d81310065f966b699e14f48"
   dependencies:
@@ -806,7 +805,7 @@ babel-traverse@^6.15.0, babel-traverse@^6.18.0, babel-traverse@^6.22.0, babel-tr
     invariant "^2.2.0"
     lodash "^4.2.0"
 
-babel-types@^6.15.0, babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.22.0, babel-types@^6.23.0, babel-types@^6.7.2:
+babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.22.0, babel-types@^6.23.0, babel-types@^6.7.2:
   version "6.23.0"
   resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.23.0.tgz#bb17179d7538bad38cd0c9e115d340f77e7e9acf"
   dependencies:
@@ -815,7 +814,7 @@ babel-types@^6.15.0, babel-types@^6.18.0, babel-types@^6.19.0, babel-types@^6.22
     lodash "^4.2.0"
     to-fast-properties "^1.0.1"
 
-babylon@^6.1.0, babylon@^6.11.0, babylon@^6.13.0, babylon@^6.15.0:
+babylon@^6.1.0, babylon@^6.11.0, babylon@^6.13.0, babylon@^6.15.0, babylon@^6.16.1:
   version "6.16.1"
   resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.16.1.tgz#30c5a22f481978a9e7f8cdfdf496b11d94b404d3"
 
@@ -1183,7 +1182,7 @@ concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
 
-concat-stream@^1.4.6:
+concat-stream@^1.5.2:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.0.tgz#0aac662fd52be78964d5532f694784e70110acf7"
   dependencies:
@@ -1424,9 +1423,9 @@ diff@^3.0.0, diff@^3.0.1:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.2.0.tgz#c9ce393a4b7cbd0b058a725c93df299027868ff9"
 
-doctrine@^1.2.2:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-1.5.0.tgz#379dce730f6166f76cefa4e6707a159b02c5a6fa"
+doctrine@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.0.0.tgz#c73d8d2909d22291e1a007a395804da8b665fe63"
   dependencies:
     esutils "^2.0.2"
     isarray "^1.0.0"
@@ -1579,17 +1578,18 @@ eslint-plugin-babel@^4.0.0:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/eslint-plugin-babel/-/eslint-plugin-babel-4.1.1.tgz#ef285c87039b67beb3bbd227f5b0eed4fb376b87"
 
-eslint@^3.0.0, eslint@^3.11.0:
-  version "3.17.1"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-3.17.1.tgz#b80ae12d9c406d858406fccda627afce33ea10ea"
+eslint@^3.0.0, eslint@^3.18.0:
+  version "3.18.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-3.18.0.tgz#647e985c4ae71502d20ac62c109f66d5104c8a4b"
   dependencies:
     babel-code-frame "^6.16.0"
     chalk "^1.1.3"
-    concat-stream "^1.4.6"
+    concat-stream "^1.5.2"
     debug "^2.1.1"
-    doctrine "^1.2.2"
+    doctrine "^2.0.0"
     escope "^3.6.0"
     espree "^3.4.0"
+    esquery "^1.0.0"
     estraverse "^4.2.0"
     esutils "^2.0.2"
     file-entry-cache "^2.0.0"
@@ -1644,6 +1644,12 @@ espurify@^1.6.0:
   dependencies:
     core-js "^2.0.0"
 
+esquery@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/esquery/-/esquery-1.0.0.tgz#cfba8b57d7fba93f17298a8a006a04cda13d80fa"
+  dependencies:
+    estraverse "^4.0.0"
+
 esrecurse@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/esrecurse/-/esrecurse-4.1.0.tgz#4713b6536adf7f2ac4f327d559e7756bff648220"
@@ -2383,9 +2389,9 @@ hosted-git-info@^2.1.4:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.2.0.tgz#7a0d097863d886c0fabbdcd37bf1758d8becf8a5"
 
-html-minifier@^3.2.3:
-  version "3.4.0"
-  resolved "https://registry.yarnpkg.com/html-minifier/-/html-minifier-3.4.0.tgz#80f236b7374d70f017fecaac42d37bb1170d2975"
+html-minifier@^3.4.2:
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/html-minifier/-/html-minifier-3.4.2.tgz#31896baaf735c1d95f7a0b7291f9dc36c0720752"
   dependencies:
     camel-case "3.0.x"
     clean-css "4.0.x"
@@ -2740,51 +2746,49 @@ 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, istanbul-lib-coverage@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.0.1.tgz#f263efb519c051c5f1f3343034fc40e7b43ff212"
+istanbul-lib-coverage@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.0.2.tgz#87a0c015b6910651cb3b184814dfb339337e25e1"
 
-istanbul-lib-hook@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-1.0.0.tgz#fc5367ee27f59268e8f060b0c7aaf051d9c425c5"
+istanbul-lib-hook@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-1.0.5.tgz#6ca3d16d60c5f4082da39f7c5cd38ea8a772b88e"
   dependencies:
     append-transform "^0.4.0"
 
-istanbul-lib-instrument@^1.4.2:
-  version "1.4.2"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.4.2.tgz#0e2fdfac93c1dabf2e31578637dc78a19089f43e"
+istanbul-lib-instrument@^1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.7.0.tgz#b8e0dc25709bb44e17336ab47b7bb5c97c23f659"
   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"
+    istanbul-lib-coverage "^1.0.2"
     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"
+istanbul-lib-report@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-report/-/istanbul-lib-report-1.0.0.tgz#d83dac7f26566b521585569367fe84ccfc7aaecb"
   dependencies:
-    async "^1.4.2"
-    istanbul-lib-coverage "^1.0.0-alpha"
+    istanbul-lib-coverage "^1.0.2"
     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"
+istanbul-lib-source-maps@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-source-maps/-/istanbul-lib-source-maps-1.1.1.tgz#f8c8c2e8f2160d1d91526d97e5bd63b2079af71c"
   dependencies:
-    istanbul-lib-coverage "^1.0.0-alpha.0"
+    istanbul-lib-coverage "^1.0.2"
     mkdirp "^0.5.1"
     rimraf "^2.4.4"
     source-map "^0.5.3"
 
-istanbul-reports@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.0.1.tgz#9a17176bc4a6cbebdae52b2f15961d52fa623fbc"
+istanbul-reports@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.0.2.tgz#4e8366abe6fa746cc1cd6633f108de12cc6ac6fa"
   dependencies:
     handlebars "^4.0.3"
 
@@ -3104,10 +3108,6 @@ lodash.pick@^4.2.1:
   version "4.4.0"
   resolved "https://registry.yarnpkg.com/lodash.pick/-/lodash.pick-4.4.0.tgz#52f05610fff9ded422611441ed1fc123a03001b3"
 
-lodash.pickby@^4.6.0:
-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/lodash.pickby/-/lodash.pickby-4.6.0.tgz#7dea21d8c18d7703a27c704c15d3b84a67e33aff"
-
 lodash.restparam@^3.0.0:
   version "3.6.1"
   resolved "https://registry.yarnpkg.com/lodash.restparam/-/lodash.restparam-3.6.1.tgz#936a4e309ef330a7645ed4145986c85ae5b20805"
@@ -3456,9 +3456,9 @@ 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@^10.1.2:
-  version "10.1.2"
-  resolved "https://registry.yarnpkg.com/nyc/-/nyc-10.1.2.tgz#ea7acaa20a235210101604f4e7d56d28453b0274"
+nyc@^10.2.0:
+  version "10.2.0"
+  resolved "https://registry.yarnpkg.com/nyc/-/nyc-10.2.0.tgz#facd90240600c9aa4dd81ea99c2fb6a85c53de0c"
   dependencies:
     archy "^1.0.0"
     arrify "^1.0.1"
@@ -3470,12 +3470,12 @@ nyc@^10.1.2:
     find-up "^1.1.2"
     foreground-child "^1.5.3"
     glob "^7.0.6"
-    istanbul-lib-coverage "^1.0.1"
-    istanbul-lib-hook "^1.0.0"
-    istanbul-lib-instrument "^1.4.2"
-    istanbul-lib-report "^1.0.0-alpha.3"
-    istanbul-lib-source-maps "^1.1.0"
-    istanbul-reports "^1.0.0"
+    istanbul-lib-coverage "^1.0.2"
+    istanbul-lib-hook "^1.0.5"
+    istanbul-lib-instrument "^1.7.0"
+    istanbul-lib-report "^1.0.0"
+    istanbul-lib-source-maps "^1.1.1"
+    istanbul-reports "^1.0.2"
     md5-hex "^1.2.0"
     merge-source-map "^1.0.2"
     micromatch "^2.3.11"
@@ -3484,8 +3484,8 @@ nyc@^10.1.2:
     rimraf "^2.5.4"
     signal-exit "^3.0.1"
     spawn-wrap "1.2.4"
-    test-exclude "^3.3.0"
-    yargs "^6.6.0"
+    test-exclude "^4.0.0"
+    yargs "^7.0.2"
     yargs-parser "^4.0.2"
 
 oauth-sign@~0.8.1:
@@ -3628,9 +3628,9 @@ package-json@^2.0.0:
     registry-url "^3.0.3"
     semver "^5.1.0"
 
-param-case@2.1.x, param-case@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/param-case/-/param-case-2.1.0.tgz#2619f90fd6c829ed0b958f1c84ed03a745a6d70a"
+param-case@2.1.x, param-case@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/param-case/-/param-case-2.1.1.tgz#df94fd8cf6531ecf75e6bef9a0858fbc72be2247"
   dependencies:
     no-case "^2.2.0"
 
@@ -3868,7 +3868,7 @@ 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:
+pug-filters@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/pug-filters/-/pug-filters-2.1.1.tgz#10ab2b6d7e5aeec99cad28a1e4c8085f823fc754"
   dependencies:
@@ -3880,22 +3880,22 @@ pug-filters@^2.1.0:
     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"
+pug-lexer@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pug-lexer/-/pug-lexer-3.0.0.tgz#173b00a082e5684a60eb0deb5aae4e514a172e26"
   dependencies:
     character-parser "^2.1.1"
     is-expression "^3.0.0"
     pug-error "^1.3.2"
 
-pug-linker@^2.0.1:
+pug-linker@^2.0.2:
   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:
+pug-load@^2.0.5:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/pug-load/-/pug-load-2.0.5.tgz#eaaf46ccace8aff7461e0fad1e2b67305514f2c6"
   dependencies:
@@ -3923,15 +3923,15 @@ 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"
+pug@2.0.0-beta11:
+  version "2.0.0-beta11"
+  resolved "https://registry.yarnpkg.com/pug/-/pug-2.0.0-beta11.tgz#15abe6af5004c7e2cf4613e4b27465c9546b5f01"
   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-filters "^2.1.1"
+    pug-lexer "^3.0.0"
+    pug-linker "^2.0.2"
+    pug-load "^2.0.5"
     pug-parser "^2.0.2"
     pug-runtime "^2.0.3"
     pug-strip-comments "^1.0.2"
@@ -4255,7 +4255,7 @@ right-align@^0.1.1:
   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, rimraf@^2.2.8, rimraf@^2.3.3, rimraf@^2.4.4, rimraf@^2.5.4:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.1.tgz#c2338ec643df7a1b7fe5c54fa86f57428a55f33d"
   dependencies:
@@ -4587,9 +4587,9 @@ tar@~2.2.1:
     fstream "^1.0.2"
     inherits "2"
 
-test-exclude@^3.3.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-3.3.0.tgz#7a17ca1239988c98367b0621456dbb7d4bc38977"
+test-exclude@^4.0.0:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.0.3.tgz#86a13ce3effcc60e6c90403cf31a27a60ac6c4e7"
   dependencies:
     arrify "^1.0.1"
     micromatch "^2.3.11"
@@ -5004,15 +5004,21 @@ 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:
+yargs-parser@^4.0.2:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-4.2.1.tgz#29cceac0dc4f03c6c87b4a9f217dd18c9f74871c"
   dependencies:
     camelcase "^3.0.0"
 
-yargs@^6.6.0:
-  version "6.6.0"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"
+yargs-parser@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-5.0.0.tgz#275ecf0d7ffe05c77e64e7c86e4cd94bf0e1228a"
+  dependencies:
+    camelcase "^3.0.0"
+
+yargs@^7.0.2:
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-7.0.2.tgz#115b97df1321823e8b8648e8968c782521221f67"
   dependencies:
     camelcase "^3.0.0"
     cliui "^3.2.0"
@@ -5026,7 +5032,7 @@ yargs@^6.6.0:
     string-width "^1.0.2"
     which-module "^1.0.0"
     y18n "^3.2.1"
-    yargs-parser "^4.2.0"
+    yargs-parser "^5.0.0"
 
 yargs@~3.10.0:
   version "3.10.0"