diff --git a/.gitignore b/.gitignore
index 746a1966..bb36cc1b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -61,3 +61,6 @@ out/
 scripts/cache
 
 .eslintrc
+
+# nyc (istanbul)
+.nyc_output
diff --git a/.nycrc b/.nycrc
new file mode 100644
index 00000000..1aabf3e3
--- /dev/null
+++ b/.nycrc
@@ -0,0 +1,10 @@
+{
+  "include": ["src/**/*.ts"],
+  "exclude": ["src/**/*.d.ts"],
+  "extension": [".ts"],
+  "require": ["ts-node/register"],
+  "reporter": ["text-summary", "html"],
+  "sourceMap": true,
+  "instrument": true,
+  "cache": true
+}
\ No newline at end of file
diff --git a/package.json b/package.json
index b4fe8d7a..ca316baa 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,6 @@
     "gulp-bump": "^0.1.13",
     "gulp-rename": "^1.2.0",
     "http-server": "^0.8.5",
-    "istanbul": "^1.1.0-alpha.1",
     "jayson": "^1.2.2",
     "json-loader": "^0.5.2",
     "json-schema-to-markdown-table": "^0.4.0",
@@ -49,6 +48,8 @@
     "mocha-junit-reporter": "^1.9.1",
     "null-loader": "^0.1.1",
     "ts-loader": "^3.2.0",
+    "nyc": "^11.3.0",
+    "source-map-support": "^0.5.0",
     "ts-node": "^3.3.0",
     "typescript": "^2.6.1",
     "uglifyjs-webpack-plugin": "^1.1.4",
@@ -65,7 +66,7 @@
     "watch": "tsc -w",
     "compile-with-source-maps": "babel -D --optional runtime -s -t -d dist/npm/ src/",
     "prepublish": "npm run clean && npm run compile",
-    "test": "istanbul cover _mocha",
+    "test": "nyc mocha",
     "coveralls": "cat ./coverage/lcov.info | coveralls",
     "lint": "if ! [ -f .eslintrc ]; then curl -o .eslintrc 'https://raw.githubusercontent.com/ripple/javascript-style-guide/es6/eslintrc'; echo 'parser: babel-eslint' >> .eslintrc; fi; eslint -c .eslintrc src/",
     "perf": "./scripts/perf_test.sh",
diff --git a/test/mocha.opts b/test/mocha.opts
index 9f69831e..34f69257 100644
--- a/test/mocha.opts
+++ b/test/mocha.opts
@@ -1 +1,5 @@
---reporter spec --timeout 5000 --slow 500 --require ts-node/register
+--reporter spec
+--timeout 5000
+--slow 500
+--require ts-node/register
+--require source-map-support/register
diff --git a/yarn.lock b/yarn.lock
index ccccbfef..39dcc4fd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -27,10 +27,6 @@ abbrev@1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.1.tgz#f8f2c887ad10bf67f634f005b6987fed3179aac8"
 
-abbrev@1.0.x:
-  version "1.0.9"
-  resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.0.9.tgz#91b4792588a7738c25f35dd6f63752a2f8776135"
-
 acorn-dynamic-import@^2.0.0:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/acorn-dynamic-import/-/acorn-dynamic-import-2.0.2.tgz#c752bd210bef679501b6c6cb7fc84f8f47158cc4"
@@ -222,18 +218,10 @@ 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"
 
-asn1.js@^4.0.0:
-  version "4.9.2"
-  resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-4.9.2.tgz#8117ef4f7ed87cd8f89044b5bff97ac243a16c9a"
-  dependencies:
-    bn.js "^4.0.0"
-    inherits "^2.0.1"
-    minimalistic-assert "^1.0.0"
-
 asn1@0.1.11:
   version "0.1.11"
   resolved "https://registry.yarnpkg.com/asn1/-/asn1-0.1.11.tgz#559be18376d08a4ec4dbe80877d27818639b2df7"
@@ -283,19 +271,23 @@ async@1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/async/-/async-1.4.0.tgz#35f86f83c59e0421d099cd9a91d8278fb578c00d"
 
-async@1.x, async@^1.4.0:
+async@^0.9.0, async@~0.9.0:
+  version "0.9.2"
+  resolved "https://registry.yarnpkg.com/async/-/async-0.9.2.tgz#aea74d5e61c1f899613bf64bda66d4c78f2fd17d"
+
+async@^1.4.0:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
-async@^2.1.2, async@^2.1.4:
+async@^2.1.2:
   version "2.6.0"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.0.tgz#61a29abb6fcc026fea77e56d1c6ec53a795951f4"
   dependencies:
     lodash "^4.14.0"
 
-async@~0.9.0:
-  version "0.9.2"
-  resolved "https://registry.yarnpkg.com/async/-/async-0.9.2.tgz#aea74d5e61c1f899613bf64bda66d4c78f2fd17d"
+async@~0.2.6:
+  version "0.2.10"
+  resolved "https://registry.yarnpkg.com/async/-/async-0.2.10.tgz#b6bbe0b0674b9d719708ca38de8c237cb526c3d1"
 
 async@~1.0.0:
   version "1.0.0"
@@ -460,7 +452,7 @@ bn.js@^3.1.1:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-3.3.0.tgz#1138e577889fdc97bbdab51844f2190dfc0ae3d7"
 
-bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.11.3, bn.js@^4.4.0:
+bn.js@^4.11.3:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
 
@@ -501,67 +493,23 @@ brorand@^1.0.1, brorand@^1.0.5:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/brorand/-/brorand-1.1.0.tgz#12c25efe40a45e3c323eb8675a0a0ce57b22371f"
 
-browserify-aes@^1.0.0, browserify-aes@^1.0.4:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-1.1.1.tgz#38b7ab55edb806ff2dcda1a7f1620773a477c49f"
+browserify-aes@0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/browserify-aes/-/browserify-aes-0.4.0.tgz#067149b668df31c4b58533e02d01e806d8608e2c"
   dependencies:
-    buffer-xor "^1.0.3"
-    cipher-base "^1.0.0"
-    create-hash "^1.1.0"
-    evp_bytestokey "^1.0.3"
-    inherits "^2.0.1"
-    safe-buffer "^5.0.1"
-
-browserify-cipher@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/browserify-cipher/-/browserify-cipher-1.0.0.tgz#9988244874bf5ed4e28da95666dcd66ac8fc363a"
-  dependencies:
-    browserify-aes "^1.0.4"
-    browserify-des "^1.0.0"
-    evp_bytestokey "^1.0.0"
-
-browserify-des@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/browserify-des/-/browserify-des-1.0.0.tgz#daa277717470922ed2fe18594118a175439721dd"
-  dependencies:
-    cipher-base "^1.0.1"
-    des.js "^1.0.0"
     inherits "^2.0.1"
 
-browserify-rsa@^4.0.0:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/browserify-rsa/-/browserify-rsa-4.0.1.tgz#21e0abfaf6f2029cf2fafb133567a701d4135524"
+browserify-zlib@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/browserify-zlib/-/browserify-zlib-0.1.4.tgz#bb35f8a519f600e0fa6b8485241c979d0141fb2d"
   dependencies:
-    bn.js "^4.1.0"
-    randombytes "^2.0.1"
-
-browserify-sign@^4.0.0:
-  version "4.0.4"
-  resolved "https://registry.yarnpkg.com/browserify-sign/-/browserify-sign-4.0.4.tgz#aa4eb68e5d7b658baa6bf6a57e630cbd7a93d298"
-  dependencies:
-    bn.js "^4.1.1"
-    browserify-rsa "^4.0.0"
-    create-hash "^1.1.0"
-    create-hmac "^1.1.2"
-    elliptic "^6.0.0"
-    inherits "^2.0.1"
-    parse-asn1 "^5.0.0"
-
-browserify-zlib@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/browserify-zlib/-/browserify-zlib-0.2.0.tgz#2869459d9aa3be245fe8fe2ca1f46e2e7f54d73f"
-  dependencies:
-    pako "~1.0.5"
+    pako "~0.2.0"
 
 buffer-crc32@~0.2.1:
   version "0.2.13"
   resolved "https://registry.yarnpkg.com/buffer-crc32/-/buffer-crc32-0.2.13.tgz#0d333e3f00eac50aa1454abd30ef8c2a5d9a7242"
 
-buffer-xor@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/buffer-xor/-/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
-
-buffer@^4.3.0:
+buffer@^4.9.0:
   version "4.9.1"
   resolved "https://registry.yarnpkg.com/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
   dependencies:
@@ -595,6 +543,14 @@ cacache@^10.0.0:
     unique-filename "^1.1.0"
     y18n "^3.2.1"
 
+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"
+
 caller-path@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
@@ -654,7 +610,7 @@ charenc@~0.0.1:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
 
-chokidar@^1.7.0:
+chokidar@^1.0.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.7.0.tgz#798e689778151c8076b4b360e5edd28cda2bb468"
   dependencies:
@@ -673,7 +629,7 @@ chownr@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
 
-cipher-base@^1.0.0, cipher-base@^1.0.1, cipher-base@^1.0.3:
+cipher-base@^1.0.1:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/cipher-base/-/cipher-base-1.0.4.tgz#8760e4ecc272f4c363532f926d874aae2c1397de"
   dependencies:
@@ -827,6 +783,10 @@ constants-browserify@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/constants-browserify/-/constants-browserify-1.0.0.tgz#c20b96d8c617748aaf1c16021760cd27fcb8cb75"
 
+convert-source-map@^1.3.0:
+  version "1.5.1"
+  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.1.tgz#b8278097b9bc229365de5c62cf5fcaed8b5599e5"
+
 copy-concurrently@^1.0.0:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/copy-concurrently/-/copy-concurrently-1.0.5.tgz#92297398cae34937fcafd6ec8139c18051f0b5e0"
@@ -871,14 +831,7 @@ crc32-stream@~0.3.1:
     buffer-crc32 "~0.2.1"
     readable-stream "~1.0.24"
 
-create-ecdh@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/create-ecdh/-/create-ecdh-4.0.0.tgz#888c723596cdf7612f6498233eebd7a35301737d"
-  dependencies:
-    bn.js "^4.1.0"
-    elliptic "^6.0.0"
-
-create-hash@^1.1.0, create-hash@^1.1.2:
+create-hash@^1.1.2:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/create-hash/-/create-hash-1.1.3.tgz#606042ac8b9262750f483caddab0f5819172d8fd"
   dependencies:
@@ -887,16 +840,12 @@ create-hash@^1.1.0, create-hash@^1.1.2:
     ripemd160 "^2.0.0"
     sha.js "^2.4.0"
 
-create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
-  version "1.1.6"
-  resolved "https://registry.yarnpkg.com/create-hmac/-/create-hmac-1.1.6.tgz#acb9e221a4e17bdb076e90657c42b93e3726cf06"
+cross-spawn@^4:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-4.0.2.tgz#7b9247621c23adfdd3856004a823cbe397424d41"
   dependencies:
-    cipher-base "^1.0.3"
-    create-hash "^1.1.0"
-    inherits "^2.0.1"
-    ripemd160 "^2.0.0"
-    safe-buffer "^5.0.1"
-    sha.js "^2.4.8"
+    lru-cache "^4.0.1"
+    which "^1.2.9"
 
 cross-spawn@^5.0.1:
   version "5.1.0"
@@ -922,21 +871,14 @@ cryptiles@3.x.x:
   dependencies:
     boom "5.x.x"
 
-crypto-browserify@^3.11.0:
-  version "3.12.0"
-  resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.12.0.tgz#396cf9f3137f03e4b8e532c58f698254e00f80ec"
+crypto-browserify@3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/crypto-browserify/-/crypto-browserify-3.3.0.tgz#b9fc75bb4a0ed61dcf1cd5dae96eb30c9c3e506c"
   dependencies:
-    browserify-cipher "^1.0.0"
-    browserify-sign "^4.0.0"
-    create-ecdh "^4.0.0"
-    create-hash "^1.1.0"
-    create-hmac "^1.1.0"
-    diffie-hellman "^5.0.0"
-    inherits "^2.0.1"
-    pbkdf2 "^3.0.3"
-    public-encrypt "^4.0.0"
-    randombytes "^2.0.0"
-    randomfill "^1.0.3"
+    browserify-aes "0.4.0"
+    pbkdf2-compat "2.0.1"
+    ripemd160 "0.2.0"
+    sha.js "2.2.6"
 
 ctype@0.5.3:
   version "0.5.3"
@@ -966,6 +908,10 @@ dateformat@^2.0.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-2.2.0.tgz#4065e2013cf9fb916ddfd82efb506ad4c6769062"
 
+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, debug@^2.1.1, debug@^2.2.0, debug@^2.6.8:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
@@ -1040,13 +986,6 @@ deprecated@^0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/deprecated/-/deprecated-0.0.1.tgz#f9c9af5464afa1e7a971458a8bdef2aa94d5bb19"
 
-des.js@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/des.js/-/des.js-1.0.0.tgz#c074d2e2aa6a8a9a07dbd61f9a15c2cd83ec8ecc"
-  dependencies:
-    inherits "^2.0.1"
-    minimalistic-assert "^1.0.0"
-
 detect-file@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/detect-file/-/detect-file-0.1.0.tgz#4935dedfd9488648e006b0129566e9386711ea63"
@@ -1071,14 +1010,6 @@ diff@^3.1.0:
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.4.0.tgz#b1d85507daf3964828de54b37d0d73ba67dda56c"
 
-diffie-hellman@^5.0.0:
-  version "5.0.2"
-  resolved "https://registry.yarnpkg.com/diffie-hellman/-/diffie-hellman-5.0.2.tgz#b5835739270cfe26acf632099fded2a07f209e5e"
-  dependencies:
-    bn.js "^4.1.0"
-    miller-rabin "^4.0.0"
-    randombytes "^2.0.0"
-
 difflib@~0.2.1:
   version "0.2.4"
   resolved "https://registry.yarnpkg.com/difflib/-/difflib-0.2.4.tgz#b5e30361a6db023176d562892db85940a718f47e"
@@ -1183,18 +1114,6 @@ elliptic@^5.1.0:
     hash.js "^1.0.0"
     inherits "^2.0.1"
 
-elliptic@^6.0.0:
-  version "6.4.0"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.4.0.tgz#cac9af8762c85836187003c8dfe193e5e2eae5df"
-  dependencies:
-    bn.js "^4.4.0"
-    brorand "^1.0.1"
-    hash.js "^1.0.0"
-    hmac-drbg "^1.0.0"
-    inherits "^2.0.1"
-    minimalistic-assert "^1.0.0"
-    minimalistic-crypto-utils "^1.0.0"
-
 emoji-regex@~6.1.0:
   version "6.1.3"
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-6.1.3.tgz#ec79a3969b02d2ecf2b72254279bf99bc7a83932"
@@ -1410,13 +1329,6 @@ events@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/events/-/events-1.1.1.tgz#9ebdb7635ad099c70dcc4c2a1f5004288e8bd924"
 
-evp_bytestokey@^1.0.0, evp_bytestokey@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/evp_bytestokey/-/evp_bytestokey-1.0.3.tgz#7fcbdb198dc71959432efe13842684e0525acb02"
-  dependencies:
-    md5.js "^1.3.4"
-    safe-buffer "^5.1.1"
-
 execa@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/execa/-/execa-0.7.0.tgz#944becd34cc41ee32a63a9faf27ad5a65fc59777"
@@ -1512,13 +1424,6 @@ filename-regex@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/filename-regex/-/filename-regex-2.0.1.tgz#c1c4b9bee3e09725ddb106b75c1e301fe2f18b26"
 
-fileset@^2.0.2:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/fileset/-/fileset-2.0.3.tgz#8e7548a96d3cc2327ee5e674168723a333bba2a0"
-  dependencies:
-    glob "^7.0.3"
-    minimatch "^3.0.3"
-
 fill-range@^2.1.0:
   version "2.2.3"
   resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-2.2.3.tgz#50b77dfd7e469bc7492470963699fe7a8485a723"
@@ -1529,6 +1434,14 @@ fill-range@^2.1.0:
     repeat-element "^1.1.2"
     repeat-string "^1.5.2"
 
+find-cache-dir@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/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-cache-dir@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-1.0.0.tgz#9288e3e9e3cc3748717d39eade17cf71fc30ee6f"
@@ -1541,6 +1454,13 @@ find-index@^0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/find-index/-/find-index-0.1.1.tgz#675d358b2ca3892d795a1ab47232f8b6e2e0dde4"
 
+find-up@^1.0.0:
+  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"
+
 find-up@^2.0.0, find-up@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
@@ -1606,6 +1526,13 @@ for-own@^1.0.0:
   dependencies:
     for-in "^1.0.1"
 
+foreground-child@^1.5.3, foreground-child@^1.5.6:
+  version "1.5.6"
+  resolved "https://registry.yarnpkg.com/foreground-child/-/foreground-child-1.5.6.tgz#4fd71ad2dfde96789b980a5c0a295937cb2f5ce9"
+  dependencies:
+    cross-spawn "^4"
+    signal-exit "^3.0.0"
+
 forever-agent@~0.6.0, forever-agent@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/forever-agent/-/forever-agent-0.6.1.tgz#fbc71f0c41adeb37f96c577ad1ed42d8fdacca91"
@@ -1787,7 +1714,7 @@ glob@^5.0.14:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.3, glob@^7.0.5, glob@^7.1.2:
+glob@^7.0.3, glob@^7.0.5, glob@^7.0.6, glob@^7.1.2:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
   dependencies:
@@ -2017,13 +1944,6 @@ hash-base@^2.0.0:
   dependencies:
     inherits "^2.0.1"
 
-hash-base@^3.0.0:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/hash-base/-/hash-base-3.0.4.tgz#5fc8686847ecd73499403319a6b0a3f3f6ae4918"
-  dependencies:
-    inherits "^2.0.1"
-    safe-buffer "^5.0.1"
-
 hash.js@^1.0.0, hash.js@^1.0.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.3.tgz#340dedbe6290187151c1ea1d777a3448935df846"
@@ -2066,14 +1986,6 @@ he@^0.5.0:
   version "0.2.6"
   resolved "https://registry.yarnpkg.com/heap/-/heap-0.2.6.tgz#087e1f10b046932fc8594dd9e6d378afc9d1e5ac"
 
-hmac-drbg@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz#d2745701025a6c775a6c545793ed502fc0c649a1"
-  dependencies:
-    hash.js "^1.0.3"
-    minimalistic-assert "^1.0.0"
-    minimalistic-crypto-utils "^1.0.1"
-
 hoek@2.x.x:
   version "2.16.3"
   resolved "https://registry.yarnpkg.com/hoek/-/hoek-2.16.3.tgz#20bb7403d3cea398e91dc4710a8ff1b8274a25ed"
@@ -2146,9 +2058,9 @@ http-signature@~1.2.0:
     jsprim "^1.2.2"
     sshpk "^1.7.0"
 
-https-browserify@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-1.0.0.tgz#ec06c10e0a34c0f2faf199f7fd7fc78fffd03c73"
+https-browserify@0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-0.0.1.tgz#3f91365cabe60b77ed0ebba24b454e3e09d95a82"
 
 https-proxy-agent@^1.0.0:
   version "1.0.0"
@@ -2415,22 +2327,6 @@ isstream@~0.1.1, isstream@~0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
 
-istanbul-api@^1.1.0-alpha:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/istanbul-api/-/istanbul-api-1.2.1.tgz#0c60a0515eb11c7d65c6b50bba2c6e999acd8620"
-  dependencies:
-    async "^2.1.4"
-    fileset "^2.0.2"
-    istanbul-lib-coverage "^1.1.1"
-    istanbul-lib-hook "^1.1.0"
-    istanbul-lib-instrument "^1.9.1"
-    istanbul-lib-report "^1.1.2"
-    istanbul-lib-source-maps "^1.2.2"
-    istanbul-reports "^1.1.3"
-    js-yaml "^3.7.0"
-    mkdirp "^0.5.1"
-    once "^1.4.0"
-
 istanbul-lib-coverage@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.1.1.tgz#73bfb998885299415c93d38a3e9adf784a77a9da"
@@ -2478,19 +2374,6 @@ istanbul-reports@^1.1.3:
   dependencies:
     handlebars "^4.0.3"
 
-istanbul@^1.1.0-alpha.1:
-  version "1.1.0-alpha.1"
-  resolved "https://registry.yarnpkg.com/istanbul/-/istanbul-1.1.0-alpha.1.tgz#781795656018a2174c5f60f367ee5d361cb57b77"
-  dependencies:
-    abbrev "1.0.x"
-    async "1.x"
-    istanbul-api "^1.1.0-alpha"
-    js-yaml "3.x"
-    mkdirp "0.5.x"
-    nopt "3.x"
-    which "^1.1.1"
-    wordwrap "^1.0.0"
-
 jade@0.26.3:
   version "0.26.3"
   resolved "https://registry.yarnpkg.com/jade/-/jade-0.26.3.tgz#8f10d7977d8d79f2f6ff862a81b0513ccb25686c"
@@ -2518,7 +2401,7 @@ js-yaml@3.6.1:
     argparse "^1.0.7"
     esprima "^2.6.0"
 
-js-yaml@3.x, js-yaml@^3.5.1, js-yaml@^3.7.0:
+js-yaml@^3.5.1:
   version "3.10.0"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.10.0.tgz#2e78441646bd4682e963f22b6e92823c309c62dc"
   dependencies:
@@ -2653,6 +2536,16 @@ liftoff@^2.1.0:
     rechoir "^0.6.2"
     resolve "^1.1.7"
 
+load-json-file@^1.0.0:
+  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"
+
 load-json-file@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-2.0.0.tgz#7947e42149af80d696cbf797bcaabcfe1fe29ca8"
@@ -2845,12 +2738,15 @@ max-component@^1.0.0:
   dependencies:
     to-function "*"
 
-md5.js@^1.3.4:
-  version "1.3.4"
-  resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.4.tgz#e9bdbde94a20a5ac18b04340fc5764d5b09d901d"
+md5-hex@^1.2.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/md5-hex/-/md5-hex-1.3.0.tgz#d2c4afe983c4370662179b8cad145219135046c4"
   dependencies:
-    hash-base "^3.0.0"
-    inherits "^2.0.1"
+    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"
 
 md5@^2.1.0:
   version "2.2.1"
@@ -2873,7 +2769,13 @@ memory-fs@^0.4.0, memory-fs@~0.4.1:
     errno "^0.1.3"
     readable-stream "^2.0.1"
 
-micromatch@^2.1.5, micromatch@^2.3.7:
+merge-source-map@^1.0.2:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/merge-source-map/-/merge-source-map-1.0.4.tgz#a5de46538dae84d4114cc5ea02b4772a6346701f"
+  dependencies:
+    source-map "^0.5.6"
+
+micromatch@^2.1.5, micromatch@^2.3.11, micromatch@^2.3.7:
   version "2.3.11"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
   dependencies:
@@ -2891,13 +2793,6 @@ micromatch@^2.1.5, micromatch@^2.3.7:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
-miller-rabin@^4.0.0:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/miller-rabin/-/miller-rabin-4.0.1.tgz#f080351c865b0dc562a8462966daa53543c78a4d"
-  dependencies:
-    bn.js "^4.0.0"
-    brorand "^1.0.1"
-
 mime-db@~1.12.0:
   version "1.12.0"
   resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.12.0.tgz#3d0c63180f458eb10d325aaa37d7c58ae312e9d7"
@@ -2930,10 +2825,6 @@ minimalistic-assert@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/minimalistic-assert/-/minimalistic-assert-1.0.0.tgz#702be2dda6b37f4836bcb3f5db56641b64a1d3d3"
 
-minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
-
 minimatch@0.3:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-0.3.0.tgz#275d8edaac4f1bb3326472089e7949c8394699dd"
@@ -2941,7 +2832,7 @@ minimatch@0.3:
     lru-cache "2"
     sigmund "~1.0.0"
 
-"minimatch@2 || 3", minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4:
+"minimatch@2 || 3", minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   dependencies:
@@ -3080,29 +2971,29 @@ node-int64@~0.3.0:
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.3.3.tgz#2d6e6b2ece5de8588b43d88d1bc41b26cd1fa84d"
 
-node-libs-browser@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/node-libs-browser/-/node-libs-browser-2.1.0.tgz#5f94263d404f6e44767d726901fff05478d600df"
+node-libs-browser@^0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/node-libs-browser/-/node-libs-browser-0.7.0.tgz#3e272c0819e308935e26674408d7af0e1491b83b"
   dependencies:
     assert "^1.1.1"
-    browserify-zlib "^0.2.0"
-    buffer "^4.3.0"
+    browserify-zlib "^0.1.4"
+    buffer "^4.9.0"
     console-browserify "^1.1.0"
     constants-browserify "^1.0.0"
-    crypto-browserify "^3.11.0"
+    crypto-browserify "3.3.0"
     domain-browser "^1.1.1"
     events "^1.0.0"
-    https-browserify "^1.0.0"
-    os-browserify "^0.3.0"
+    https-browserify "0.0.1"
+    os-browserify "^0.2.0"
     path-browserify "0.0.0"
-    process "^0.11.10"
+    process "^0.11.0"
     punycode "^1.2.4"
     querystring-es3 "^0.2.0"
-    readable-stream "^2.3.3"
+    readable-stream "^2.0.5"
     stream-browserify "^2.0.1"
-    stream-http "^2.7.2"
-    string_decoder "^1.0.0"
-    timers-browserify "^2.0.4"
+    stream-http "^2.3.1"
+    string_decoder "^0.10.25"
+    timers-browserify "^2.0.2"
     tty-browserify "0.0.0"
     url "^0.11.0"
     util "^0.10.3"
@@ -3128,12 +3019,6 @@ node-uuid@~1.4.0:
   version "1.4.8"
   resolved "https://registry.yarnpkg.com/node-uuid/-/node-uuid-1.4.8.tgz#b040eb0923968afabf8d32fb1f17f1167fdab907"
 
-nopt@3.x:
-  version "3.0.6"
-  resolved "https://registry.yarnpkg.com/nopt/-/nopt-3.0.6.tgz#c6465dbf08abcd4db359317f79ac68a646b28ff9"
-  dependencies:
-    abbrev "1"
-
 nopt@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
@@ -3179,6 +3064,38 @@ 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@^11.3.0:
+  version "11.3.0"
+  resolved "https://registry.yarnpkg.com/nyc/-/nyc-11.3.0.tgz#a42bc17b3cfa41f7b15eb602bc98b2633ddd76f0"
+  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 "^2.1.0"
+    foreground-child "^1.5.3"
+    glob "^7.0.6"
+    istanbul-lib-coverage "^1.1.1"
+    istanbul-lib-hook "^1.1.0"
+    istanbul-lib-instrument "^1.9.1"
+    istanbul-lib-report "^1.1.2"
+    istanbul-lib-source-maps "^1.2.2"
+    istanbul-reports "^1.1.3"
+    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 "=1.3.8"
+    test-exclude "^4.1.1"
+    yargs "^10.0.3"
+    yargs-parser "^8.0.0"
+
 oauth-sign@~0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.6.0.tgz#7dbeae44f6ca454e1f168451d630746735813ce3"
@@ -3237,7 +3154,7 @@ opener@~1.4.0:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/opener/-/opener-1.4.3.tgz#5c6da2c5d7e5831e8ffa3964950f8d6674ac90b8"
 
-optimist@0.6.x, optimist@^0.6.1:
+optimist@0.6.x, optimist@^0.6.1, optimist@~0.6.0:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
   dependencies:
@@ -3267,9 +3184,9 @@ ordered-read-streams@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/ordered-read-streams/-/ordered-read-streams-0.1.0.tgz#fd565a9af8eb4473ba69b6ed8a34352cb552f126"
 
-os-browserify@^0.3.0:
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/os-browserify/-/os-browserify-0.3.0.tgz#854373c7f5c2315914fc9bfc6bd8238fdda1ec27"
+os-browserify@^0.2.0:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/os-browserify/-/os-browserify-0.2.1.tgz#63fc4ccee5d2d7763d26bbf8601078e6c2e0044f"
 
 os-homedir@^1.0.0, os-homedir@^1.0.1:
   version "1.0.2"
@@ -3308,9 +3225,9 @@ p-locate@^2.0.0:
   dependencies:
     p-limit "^1.1.0"
 
-pako@~1.0.5:
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/pako/-/pako-1.0.6.tgz#0101211baa70c4bca4a0f63f2206e97b7dfaf258"
+pako@~0.2.0:
+  version "0.2.9"
+  resolved "https://registry.yarnpkg.com/pako/-/pako-0.2.9.tgz#f3f7522f4ef782348da8161bad9ecfd51bf83a75"
 
 parallel-transform@^1.1.0:
   version "1.1.0"
@@ -3320,16 +3237,6 @@ parallel-transform@^1.1.0:
     inherits "^2.0.3"
     readable-stream "^2.1.5"
 
-parse-asn1@^5.0.0:
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/parse-asn1/-/parse-asn1-5.1.0.tgz#37c4f9b7ed3ab65c74817b5f2480937fbf97c712"
-  dependencies:
-    asn1.js "^4.0.0"
-    browserify-aes "^1.0.0"
-    create-hash "^1.1.0"
-    evp_bytestokey "^1.0.0"
-    pbkdf2 "^3.0.3"
-
 parse-filepath@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/parse-filepath/-/parse-filepath-1.0.1.tgz#159d6155d43904d16c10ef698911da1e91969b73"
@@ -3361,6 +3268,12 @@ path-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-0.0.0.tgz#a0b870729aae214005b7d5032ec2cbbb0fb4451a"
 
+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-exists@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
@@ -3391,21 +3304,23 @@ path-root@^0.1.1:
   dependencies:
     path-root-regex "^0.1.0"
 
+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"
+
 path-type@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-2.0.0.tgz#f012ccb8415b7096fc2daa1054c3d72389594c73"
   dependencies:
     pify "^2.0.0"
 
-pbkdf2@^3.0.3:
-  version "3.0.14"
-  resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.14.tgz#a35e13c64799b06ce15320f459c230e68e73bade"
-  dependencies:
-    create-hash "^1.1.2"
-    create-hmac "^1.1.4"
-    ripemd160 "^2.0.1"
-    safe-buffer "^5.0.1"
-    sha.js "^2.4.8"
+pbkdf2-compat@2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pbkdf2-compat/-/pbkdf2-compat-2.0.1.tgz#b6e0c8fa99494d94e0511575802a59a5c142f288"
 
 performance-now@^0.2.0:
   version "0.2.0"
@@ -3433,6 +3348,12 @@ pinkie@^2.0.0:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
 
+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"
+
 pkg-dir@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/pkg-dir/-/pkg-dir-2.0.0.tgz#f6d5d1109e19d63edf428e0bd57e12777615334b"
@@ -3466,7 +3387,7 @@ 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"
 
-process@^0.11.10:
+process@^0.11.0:
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
 
@@ -3490,16 +3411,6 @@ pseudomap@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
 
-public-encrypt@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/public-encrypt/-/public-encrypt-4.0.0.tgz#39f699f3a46560dd5ebacbca693caf7c65c18cc6"
-  dependencies:
-    bn.js "^4.1.0"
-    browserify-rsa "^4.0.0"
-    create-hash "^1.1.0"
-    parse-asn1 "^5.0.0"
-    randombytes "^2.0.1"
-
 pump@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/pump/-/pump-1.0.3.tgz#5dfe8311c33bbf6fc18261f9f34702c47c08a954"
@@ -3562,19 +3473,6 @@ randomatic@^1.1.3:
     is-number "^3.0.0"
     kind-of "^4.0.0"
 
-randombytes@^2.0.0, randombytes@^2.0.1, randombytes@^2.0.5:
-  version "2.0.5"
-  resolved "https://registry.yarnpkg.com/randombytes/-/randombytes-2.0.5.tgz#dc009a246b8d09a177b4b7a0ae77bc570f4b1b79"
-  dependencies:
-    safe-buffer "^5.1.0"
-
-randomfill@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/randomfill/-/randomfill-1.0.3.tgz#b96b7df587f01dd91726c418f30553b1418e3d62"
-  dependencies:
-    randombytes "^2.0.5"
-    safe-buffer "^5.1.0"
-
 rc@^1.1.7:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.2.tgz#d8ce9cb57e8d64d9c7badd9876c7c34cbe3c7077"
@@ -3584,6 +3482,13 @@ rc@^1.1.7:
     minimist "^1.2.0"
     strip-json-comments "~2.0.1"
 
+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-up@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-2.0.0.tgz#6b72a8048984e0c41e79510fd5e9fa99b3b549be"
@@ -3591,6 +3496,14 @@ read-pkg-up@^2.0.0:
     find-up "^2.0.0"
     read-pkg "^2.0.0"
 
+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"
+
 read-pkg@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-2.0.0.tgz#8ef1c0623c6a6db0dc6713c4bfac46332b2368f8"
@@ -3599,7 +3512,7 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
-"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.6, readable-stream@^2.3.3:
+"readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.6:
   version "2.3.3"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
   dependencies:
@@ -3825,6 +3738,10 @@ 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, resolve@^1.1.7:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.5.0.tgz#1f09acce796c9a762579f31b2c1cc4c3cddf9f36"
@@ -3844,7 +3761,7 @@ right-align@^0.1.1:
   dependencies:
     align-text "^0.1.1"
 
-rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.5.4, rimraf@^2.6.1:
+rimraf@2, rimraf@^2.2.8, rimraf@^2.3.3, rimraf@^2.5.1, rimraf@^2.5.4, rimraf@^2.6.1:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
   dependencies:
@@ -3856,7 +3773,11 @@ rimraf@2.4.3:
   dependencies:
     glob "^5.0.14"
 
-ripemd160@^2.0.0, ripemd160@^2.0.1:
+ripemd160@0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/ripemd160/-/ripemd160-0.2.0.tgz#2bf198bde167cacfa51c0a928e84b68bbe171fce"
+
+ripemd160@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/ripemd160/-/ripemd160-2.0.1.tgz#0f4584295c53a3628af7e6d79aca21ce57d1c6e7"
   dependencies:
@@ -3980,7 +3901,11 @@ setimmediate@^1.0.4:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"
 
-sha.js@^2.4.0, sha.js@^2.4.8:
+sha.js@2.2.6:
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.2.6.tgz#17ddeddc5f722fb66501658895461977867315ba"
+
+sha.js@^2.4.0:
   version "2.4.9"
   resolved "https://registry.yarnpkg.com/sha.js/-/sha.js-2.4.9.tgz#98f64880474b74f4a38b8da9d3c0f2d104633e7d"
   dependencies:
@@ -4005,7 +3930,7 @@ sigmund@~1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/sigmund/-/sigmund-1.0.1.tgz#3ff21f198cad2175f9f3b781853fd94d0d19b590"
 
-signal-exit@^3.0.0:
+signal-exit@^3.0.0, signal-exit@^3.0.1, signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
 
@@ -4013,6 +3938,10 @@ slice-ansi@0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-0.0.4.tgz#edbf8903f66f7ce2f8eafd6ceed65e264c831b35"
 
+slide@^1.1.5:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/slide/-/slide-1.1.6.tgz#56eb027d65b4d2dce6cb2e2d32c4d4afc9e1d707"
+
 sntp@1.x.x:
   version "1.0.9"
   resolved "https://registry.yarnpkg.com/sntp/-/sntp-1.0.9.tgz#6541184cc90aeea6c6e7b35e2659082443c66198"
@@ -4029,13 +3958,23 @@ source-list-map@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-2.0.0.tgz#aaa47403f7b245a92fbc97ea08f250d6087ed085"
 
+source-list-map@~0.1.7:
+  version "0.1.8"
+  resolved "https://registry.yarnpkg.com/source-list-map/-/source-list-map-0.1.8.tgz#c550b2ab5427f6b3f21f5afead88c4f5587b2106"
+
 source-map-support@^0.4.0:
   version "0.4.18"
   resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.18.tgz#0286a6de8be42641338594e97ccea75f0a2c585f"
   dependencies:
     source-map "^0.5.6"
 
-source-map@^0.4.4:
+source-map-support@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.0.tgz#2018a7ad2bdf8faf2691e5fddab26bed5a2bacab"
+  dependencies:
+    source-map "^0.6.0"
+
+source-map@^0.4.4, source-map@~0.4.1:
   version "0.4.4"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.4.4.tgz#eba4f5da9c0dc999de68032d8b4f76173652036b"
   dependencies:
@@ -4045,7 +3984,7 @@ source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1:
   version "0.5.7"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
-source-map@^0.6.1, source-map@~0.6.1:
+source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
@@ -4053,6 +3992,17 @@ sparkles@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/sparkles/-/sparkles-1.0.0.tgz#1acbbfb592436d10bbe8f785b7cc6f82815012c3"
 
+spawn-wrap@=1.3.8:
+  version "1.3.8"
+  resolved "https://registry.yarnpkg.com/spawn-wrap/-/spawn-wrap-1.3.8.tgz#fa2a79b990cbb0bb0018dca6748d88367b19ec31"
+  dependencies:
+    foreground-child "^1.5.6"
+    mkdirp "^0.5.0"
+    os-homedir "^1.0.1"
+    rimraf "^2.3.3"
+    signal-exit "^3.0.2"
+    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"
@@ -4109,7 +4059,7 @@ stream-each@^1.1.0:
     end-of-stream "^1.1.0"
     stream-shift "^1.0.0"
 
-stream-http@^2.7.2:
+stream-http@^2.3.1:
   version "2.7.2"
   resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.7.2.tgz#40a050ec8dc3b53b33d9909415c02c0bf1abfbad"
   dependencies:
@@ -4138,16 +4088,16 @@ string-width@^2.0.0:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
 
-string_decoder@^1.0.0, string_decoder@~1.0.3:
+string_decoder@^0.10.25, string_decoder@~0.10.x:
+  version "0.10.31"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
+
+string_decoder@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.3.tgz#0fc67d7c141825de94282dd536bec6b9bce860ab"
   dependencies:
     safe-buffer "~5.1.0"
 
-string_decoder@~0.10.x:
-  version "0.10.31"
-  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
-
 stringstream@~0.0.4, stringstream@~0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
@@ -4207,13 +4157,13 @@ 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:
+supports-color@^3.1.0, supports-color@^3.1.2:
   version "3.2.3"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.2.3.tgz#65ac0504b3954171d8a64946b2ae3cbb8a5f54f6"
   dependencies:
     has-flag "^1.0.0"
 
-supports-color@^4.0.0, supports-color@^4.2.1:
+supports-color@^4.0.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.5.0.tgz#be7a0de484dec5c5cddf8b3d59125044912f635b"
   dependencies:
@@ -4234,6 +4184,10 @@ tapable@^0.2.7:
   version "0.2.8"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-0.2.8.tgz#99372a5c999bf2df160afc0d74bed4f47948cd22"
 
+tapable@~0.1.8:
+  version "0.1.10"
+  resolved "https://registry.yarnpkg.com/tapable/-/tapable-0.1.10.tgz#29c35707c2b70e50d07482b5d202e8ed446dafd4"
+
 tar-pack@^3.4.0:
   version "3.4.1"
   resolved "https://registry.yarnpkg.com/tar-pack/-/tar-pack-3.4.1.tgz#e1dbc03a9b9d3ba07e896ad027317eb679a10a1f"
@@ -4264,6 +4218,16 @@ tar@^2.2.1:
     fstream "^1.0.2"
     inherits "2"
 
+test-exclude@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.1.1.tgz#4d84964b0966b0087ecc334a2ce002d3d9341e26"
+  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:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
@@ -4303,7 +4267,7 @@ time-stamp@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/time-stamp/-/time-stamp-1.1.0.tgz#764a5a11af50561921b133f3b44e618687e0f5c3"
 
-timers-browserify@^2.0.4:
+timers-browserify@^2.0.2:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/timers-browserify/-/timers-browserify-2.0.4.tgz#96ca53f4b794a5e7c0e1bd7cc88a372298fa01e6"
   dependencies:
@@ -4411,7 +4375,7 @@ uglify-es@^3.2.1:
     commander "~2.12.1"
     source-map "~0.6.1"
 
-uglify-js@^2.6, uglify-js@^2.8.29:
+uglify-js@^2.6:
   version "2.8.29"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
   dependencies:
@@ -4420,18 +4384,19 @@ uglify-js@^2.6, uglify-js@^2.8.29:
   optionalDependencies:
     uglify-to-browserify "~1.0.0"
 
+uglify-js@~2.7.3:
+  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"
 
-uglifyjs-webpack-plugin@^0.4.6:
-  version "0.4.6"
-  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-0.4.6.tgz#b951f4abb6bd617e66f63eb891498e391763e309"
-  dependencies:
-    source-map "^0.5.6"
-    uglify-js "^2.8.29"
-    webpack-sources "^1.0.1"
-
 uglifyjs-webpack-plugin@^1.1.4:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.1.4.tgz#e43ad6e736c315024eb99481a7cc9362d6a066be"
@@ -4591,12 +4556,12 @@ vm-browserify@0.0.4:
   dependencies:
     indexof "0.0.1"
 
-watchpack@^1.4.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-1.4.0.tgz#4a1472bcbb952bd0a9bb4036801f954dfb39faac"
+watchpack@^0.2.1:
+  version "0.2.9"
+  resolved "https://registry.yarnpkg.com/watchpack/-/watchpack-0.2.9.tgz#62eaa4ab5e5ba35fdfc018275626e3c0f5e3fb0b"
   dependencies:
-    async "^2.1.2"
-    chokidar "^1.7.0"
+    async "^0.9.0"
+    chokidar "^1.0.0"
     graceful-fs "^4.1.2"
 
 wd@^0.4.0:
@@ -4611,6 +4576,13 @@ wd@^0.4.0:
     underscore.string "~3.0.3"
     vargs "~0.1.0"
 
+webpack-core@~0.6.9:
+  version "0.6.9"
+  resolved "https://registry.yarnpkg.com/webpack-core/-/webpack-core-0.6.9.tgz#fc571588c8558da77be9efb6debdc5a3b172bdc2"
+  dependencies:
+    source-list-map "~0.1.7"
+    source-map "~0.4.1"
+
 webpack-sources@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.1.0.tgz#a101ebae59d6507354d71d8013950a3a8b7a5a54"
@@ -4649,7 +4621,7 @@ which-module@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
 
-which@^1.1.1, which@^1.2.12, which@^1.2.9:
+which@^1.2.12, which@^1.2.4, which@^1.2.9:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
   dependencies:
@@ -4669,7 +4641,7 @@ wordwrap@0.0.2:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.2.tgz#b79669bb42ecb409f83d583cad52ca17eaa1643f"
 
-wordwrap@>=0.0.2, wordwrap@^1.0.0, wordwrap@~1.0.0:
+wordwrap@>=0.0.2, wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
 
@@ -4695,6 +4667,14 @@ wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
 
+write-file-atomic@^1.1.4:
+  version "1.3.4"
+  resolved "https://registry.yarnpkg.com/write-file-atomic/-/write-file-atomic-1.3.4.tgz#f807a4f0b1d9e913ae7a48112e6cc3af1991b45f"
+  dependencies:
+    graceful-fs "^4.1.11"
+    imurmurhash "^0.1.4"
+    slide "^1.1.5"
+
 write@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/write/-/write-0.2.1.tgz#5fc03828e264cea3fe91455476f7a3c566cb0757"
@@ -4741,6 +4721,29 @@ yargs-parser@^7.0.0:
   dependencies:
     camelcase "^4.1.0"
 
+yargs-parser@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-8.0.0.tgz#21d476330e5a82279a4b881345bf066102e219c6"
+  dependencies:
+    camelcase "^4.1.0"
+
+yargs@^10.0.3:
+  version "10.0.3"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-10.0.3.tgz#6542debd9080ad517ec5048fb454efe9e4d4aaae"
+  dependencies:
+    cliui "^3.2.0"
+    decamelize "^1.1.1"
+    find-up "^2.1.0"
+    get-caller-file "^1.0.1"
+    os-locale "^2.0.0"
+    require-directory "^2.1.1"
+    require-main-filename "^1.0.1"
+    set-blocking "^2.0.0"
+    string-width "^2.0.0"
+    which-module "^2.0.0"
+    y18n "^3.2.1"
+    yargs-parser "^8.0.0"
+
 yargs@^8.0.2:
   version "8.0.2"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-8.0.2.tgz#6299a9055b1cefc969ff7e79c1d918dceb22c360"