sync yarn.lock file with package-lock.json

1. deleted node_modules
2. ran `npm install`
3. deleted yarn.lock
4. ran `yarn import`

yarn.lock

@@ -2,53 +2,49 @@
 # yarn lockfile v1
 
 
-abbrev@1, abbrev@1.0.x:
+abbrev@1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.0.tgz#d0554c2256636e2f56e7c2e5ad183f859428d81f"
+
+abbrev@1.0.x:
   version "1.0.9"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.0.9.tgz#91b4792588a7738c25f35dd6f63752a2f8776135"
 
-abstract-leveldown@2.4.1, abstract-leveldown@~2.4.0:
+abstract-leveldown@2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-2.4.1.tgz#b3bfedb884eb693a12775f0c55e9f0a420ccee64"
   dependencies:
     xtend "~4.0.0"
 
+abstract-leveldown@~2.6.0:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/abstract-leveldown/-/abstract-leveldown-2.6.2.tgz#e374c2a0fa036b88822bc1c51949119b11980590"
+  dependencies:
+    xtend "~4.0.0"
+
 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"
   dependencies:
     acorn "^4.0.3"
 
-acorn-jsx@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/acorn-jsx/-/acorn-jsx-3.0.1.tgz#afdf9488fb1ecefc8348f6fb22f464e32a58b36b"
-  dependencies:
-    acorn "^3.0.4"
-
-acorn@^3.0.4:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-3.3.0.tgz#45e37fb39e8da3f25baee3ff5369e2bb5f22017a"
-
 acorn@^4.0.3:
   version "4.0.13"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-4.0.13.tgz#105495ae5361d697bd195c825192e1ad7f253787"
 
-acorn@^5.0.0, acorn@^5.0.1:
-  version "5.0.3"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.0.3.tgz#c460df08491463f028ccb82eab3730bf01087b3d"
+acorn@^5.0.0:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.1.1.tgz#53fe161111f912ab999ee887a90a0bc52822fd75"
 
 aes-js@^0.2.3:
   version "0.2.4"
   resolved "https://registry.yarnpkg.com/aes-js/-/aes-js-0.2.4.tgz#94b881ab717286d015fa219e08fb66709dda5a3d"
 
-ajv-keywords@^1.0.0:
-  version "1.5.1"
-  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-1.5.1.tgz#314dd0a4b3368fad3dfcdc54ede6171b886daf3c"
-
 ajv-keywords@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-2.1.0.tgz#a296e17f7bfae7c1ce4f7e0de53d29cb32162df0"
 
-ajv@^4.7.0, ajv@^4.9.1:
+ajv@^4.9.1:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.8.tgz#82ffb02b29e662ae53bdc20af15947706739c536"
   dependencies:
@@ -76,10 +72,6 @@ amdefine@>=0.0.4:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/amdefine/-/amdefine-1.0.1.tgz#4a5282ac164729e93619bcfd3ad151f817ce91f5"
 
-ansi-escapes@^1.1.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-1.4.0.tgz#d3a8a83b319aa67793662b13e761c7911422306e"
-
 ansi-regex@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
@@ -126,24 +118,10 @@ arr-flatten@^1.0.1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/arr-flatten/-/arr-flatten-1.1.0.tgz#36048bbff4e7b47e136644316c99669ea5ae91f1"
 
-array-union@^1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/array-union/-/array-union-1.0.2.tgz#9a34410e4f4e3da23dea375be5be70f24778ec39"
-  dependencies:
-    array-uniq "^1.0.1"
-
-array-uniq@^1.0.1:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
-
 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:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/arrify/-/arrify-1.0.1.tgz#898508da2226f380df904728456849c1501a4b0d"
-
 asn1.js@^4.0.0:
   version "4.9.1"
   resolved "https://registry.yarnpkg.com/asn1.js/-/asn1.js-4.9.1.tgz#48ba240b45a9280e94748990ba597d216617fd40"
@@ -189,8 +167,8 @@ async@1.x, async@^1.4.0, async@^1.4.2:
   resolved "https://registry.yarnpkg.com/async/-/async-1.5.2.tgz#ec6a61ae56480c0c3cb241c95618e20892f9672a"
 
 async@^2.0.1, async@^2.1.2, async@^2.4.0:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/async/-/async-2.4.1.tgz#62a56b279c98a11d0987096a01cc3eeb8eb7bbd7"
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.5.0.tgz#843190fd6b7357a0b9e1c956edddd5ec8462b54d"
   dependencies:
     lodash "^4.14.0"
 
@@ -206,7 +184,7 @@ aws4@^1.2.1:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.6.0.tgz#83ef5ca860b2b32e4a0deedee8c771b9db57471e"
 
-babel-code-frame@^6.16.0, babel-code-frame@^6.22.0:
+babel-code-frame@^6.22.0:
   version "6.22.0"
   resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.22.0.tgz#027620bee567a88c32561574e7fd0801d33118e4"
   dependencies:
@@ -713,8 +691,8 @@ babel-register@^6.23.0, babel-register@^6.24.1:
     source-map-support "^0.4.2"
 
 babel-runtime@^6.18.0, babel-runtime@^6.22.0:
-  version "6.23.0"
-  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.23.0.tgz#0a9489f144de70efb3ce4300accdb329e2fc543b"
+  version "6.25.0"
+  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.25.0.tgz#33b98eaa5d482bb01a8d1aa6b437ad2b01aec41c"
   dependencies:
     core-js "^2.4.0"
     regenerator-runtime "^0.10.0"
@@ -760,12 +738,12 @@ babelify@^7.3.0:
     object-assign "^4.0.0"
 
 babylon@^6.17.2:
-  version "6.17.3"
-  resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.17.3.tgz#1327d709950b558f204e5352587fd0290f8d8e48"
+  version "6.17.4"
+  resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.17.4.tgz#3e8b7402b88d22c3423e137a1577883b15ff869a"
 
-balanced-match@^0.4.1:
-  version "0.4.2"
-  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-0.4.2.tgz#cb3f3e3c732dc0f01ee70b403f302e61d7709838"
+balanced-match@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/balanced-match/-/balanced-match-1.0.0.tgz#89b4d199ab2bee49de164ea02b89ce462d71b767"
 
 base-x@^1.1.0:
   version "1.1.0"
@@ -785,21 +763,21 @@ big.js@^3.1.3:
   version "3.1.3"
   resolved "https://registry.yarnpkg.com/big.js/-/big.js-3.1.3.tgz#4cada2193652eb3ca9ec8e55c9015669c9806978"
 
-"bignumber.js@git+https://github.com/debris/bignumber.js#master":
-  version "2.0.7"
-  resolved "git+https://github.com/debris/bignumber.js#c7a38de919ed75e6fb6ba38051986e294b328df9"
-
 "bignumber.js@git+https://github.com/debris/bignumber.js.git#94d7146671b9719e00a09c29b01a691bc85048c2":
   version "2.0.7"
   resolved "git+https://github.com/debris/bignumber.js.git#94d7146671b9719e00a09c29b01a691bc85048c2"
 
+"bignumber.js@git+https://github.com/debris/bignumber.js.git#master":
+  version "2.0.7"
+  resolved "git+https://github.com/debris/bignumber.js.git#c7a38de919ed75e6fb6ba38051986e294b328df9"
+
 binary-extensions@^1.0.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.9.0.tgz#66506c16ce6f4d6928a5b3cd6a33ca41e941e37b"
 
 bindings@^1.2.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.2.1.tgz#14ad6113812d2d37d72e67b4cacb4bb726505f11"
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.3.0.tgz#b346f6ecf6a95f5a815c5839fc7cdb22502f1ed7"
 
 bip39@^2.2.0:
   version "2.3.1"
@@ -830,8 +808,8 @@ block-stream@*:
     inherits "~2.0.0"
 
 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@^4.8.0:
-  version "4.11.6"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.6.tgz#53344adb14617a13f6e8dd2ce28905d1c0ba3215"
+  version "4.11.8"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
 
 boom@2.x.x:
   version "2.10.1"
@@ -840,10 +818,10 @@ boom@2.x.x:
     hoek "2.x.x"
 
 brace-expansion@^1.1.7:
-  version "1.1.7"
-  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.7.tgz#3effc3c50e000531fb720eaff80f0ae8ef23cf59"
+  version "1.1.8"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.8.tgz#c07b211c7c952ec1f8efd51a77ef0d1d3990a292"
   dependencies:
-    balanced-match "^0.4.1"
+    balanced-match "^1.0.0"
     concat-map "0.0.1"
 
 braces@^1.8.2:
@@ -956,16 +934,6 @@ builtin-status-codes@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz#85982878e21b98e1c66425e03d0174788f569ee8"
 
-caller-path@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
-  dependencies:
-    callsites "^0.2.0"
-
-callsites@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/callsites/-/callsites-0.2.0.tgz#afab96262910a7f33c19a5775825c69f34e350ca"
-
 camelcase@^1.0.2:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-1.2.1.tgz#9bb5304d2e0b56698b2c758b08a3eaa9daa58a39"
@@ -994,19 +962,18 @@ center-align@^0.1.1:
     lazy-cache "^1.0.3"
 
 chai-as-promised@^7.0.0:
-  version "7.1.0"
-  resolved "https://registry.yarnpkg.com/chai-as-promised/-/chai-as-promised-7.1.0.tgz#5bc1be34e39e8555785945dd1085222f720577e7"
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/chai-as-promised/-/chai-as-promised-7.1.1.tgz#08645d825deb8696ee61725dbf590c012eb00ca0"
   dependencies:
     check-error "^1.0.2"
-    eslint "^3.19.0"
 
 chai-bignumber@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/chai-bignumber/-/chai-bignumber-2.0.0.tgz#0cbf9b81790801c3f24fb77f59fa1e17a9c6e3f2"
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/chai-bignumber/-/chai-bignumber-2.0.1.tgz#8e336afc5d56ab16c27f95e2f59b25e0a0afc81c"
 
 chai@^4.0.2:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/chai/-/chai-4.0.2.tgz#2f7327c4de6f385dd7787999e2ab02697a32b83b"
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/chai/-/chai-4.1.1.tgz#66e21279e6f3c6415ff8231878227900e2171b39"
   dependencies:
     assertion-error "^1.0.1"
     check-error "^1.0.1"
@@ -1015,7 +982,7 @@ chai@^4.0.2:
     pathval "^1.0.0"
     type-detect "^4.0.0"
 
-chalk@^1.0.0, chalk@^1.1.0, chalk@^1.1.1, chalk@^1.1.3:
+chalk@^1.1.0, chalk@^1.1.1:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   dependencies:
@@ -1055,24 +1022,11 @@ chownr@^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:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/cipher-base/-/cipher-base-1.0.3.tgz#eeabf194419ce900da3018c207d212f2a6df0a07"
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/cipher-base/-/cipher-base-1.0.4.tgz#8760e4ecc272f4c363532f926d874aae2c1397de"
   dependencies:
     inherits "^2.0.1"
-
-circular-json@^0.3.1:
-  version "0.3.1"
-  resolved "https://registry.yarnpkg.com/circular-json/-/circular-json-0.3.1.tgz#be8b36aefccde8b3ca7aa2d6afc07a37242c0d2d"
-
-cli-cursor@^1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-1.0.2.tgz#64da3f7d56a54412e59794bd62dc35295e8f2987"
-  dependencies:
-    restore-cursor "^1.0.1"
-
-cli-width@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/cli-width/-/cli-width-2.1.0.tgz#b234ca209b29ef66fc518d9b98d5847b00edf00a"
+    safe-buffer "^5.0.1"
 
 cliui@^2.1.0:
   version "2.1.0"
@@ -1123,24 +1077,20 @@ commander@2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.3.0.tgz#fd430e889832ec353b9acd1de217c11cb3eef873"
 
-commander@2.9.0, commander@^2.9.0:
+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"
 
+commander@^2.9.0:
+  version "2.11.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.11.0.tgz#157152fd1e7a6c8d98a5b715cf376df928004563"
+
 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@^1.5.2:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.0.tgz#0aac662fd52be78964d5532f694784e70110acf7"
-  dependencies:
-    inherits "^2.0.3"
-    readable-stream "^2.2.2"
-    typedarray "^0.0.6"
-
 console-browserify@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/console-browserify/-/console-browserify-1.1.0.tgz#f0241c45730a9fc6323b206dbf38edc741d0bb10"
@@ -1160,10 +1110,10 @@ convert-source-map@^1.1.0:
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.0.tgz#9acd70851c6d5dfdd93d9282e5edf94a03ff46b5"
 
 core-js@^2.4.0:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.4.1.tgz#4de911e667b0eae9124e34254b53aea6fc618d3e"
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.0.tgz#569c050918be6486b3837552028ae0466b717086"
 
-core-util-is@~1.0.0:
+core-util-is@1.0.2, 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"
 
@@ -1263,13 +1213,7 @@ debug@2.2.0:
   dependencies:
     ms "0.7.1"
 
-debug@2.6.0:
-  version "2.6.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.0.tgz#bc596bcabe7617f11d9fa15361eded5608b8499b"
-  dependencies:
-    ms "0.7.2"
-
-debug@^2.1.1, debug@^2.2.0:
+debug@2.6.8, debug@^2.1.1, debug@^2.2.0:
   version "2.6.8"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.8.tgz#e731531ca2ede27d188222427da17821d68ff4fc"
   dependencies:
@@ -1298,10 +1242,10 @@ deep-is@~0.1.3:
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
 
 deferred-leveldown@~1.2.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-1.2.1.tgz#5d25c3310f5fe909946f6240dc9f90dd109a71ef"
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/deferred-leveldown/-/deferred-leveldown-1.2.2.tgz#3acd2e0b75d1669924bc0a4b642851131173e1eb"
   dependencies:
-    abstract-leveldown "~2.4.0"
+    abstract-leveldown "~2.6.0"
 
 define-properties@^1.1.2:
   version "1.1.2"
@@ -1314,18 +1258,6 @@ defined@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
 
-del@^2.0.2:
-  version "2.2.2"
-  resolved "https://registry.yarnpkg.com/del/-/del-2.2.2.tgz#c12c981d067846c84bcaf862cff930d907ffd1a8"
-  dependencies:
-    globby "^5.0.0"
-    is-path-cwd "^1.0.0"
-    is-path-in-cwd "^1.0.0"
-    object-assign "^4.0.1"
-    pify "^2.0.0"
-    pinkie-promise "^2.0.0"
-    rimraf "^2.2.8"
-
 delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
@@ -1363,13 +1295,6 @@ diffie-hellman@^5.0.0:
     miller-rabin "^4.0.0"
     randombytes "^2.0.0"
 
-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"
-
 dom-walk@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/dom-walk/-/dom-walk-0.1.1.tgz#672226dc74c8f799ad35307df936aba11acd6018"
@@ -1442,13 +1367,14 @@ error-ex@^1.2.0:
     is-arrayish "^0.2.1"
 
 es-abstract@^1.5.0:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.7.0.tgz#dfade774e01bfcd97f96180298c449c8623fb94c"
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/es-abstract/-/es-abstract-1.8.0.tgz#3b00385e85729932beffa9163bbea1234e932914"
   dependencies:
     es-to-primitive "^1.1.1"
     function-bind "^1.1.0"
+    has "^1.0.1"
     is-callable "^1.1.3"
-    is-regex "^1.0.3"
+    is-regex "^1.0.4"
 
 es-to-primitive@^1.1.1:
   version "1.1.1"
@@ -1459,8 +1385,8 @@ es-to-primitive@^1.1.1:
     is-symbol "^1.0.1"
 
 es5-ext@^0.10.14, es5-ext@^0.10.9, es5-ext@~0.10.14:
-  version "0.10.23"
-  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.23.tgz#7578b51be974207a5487821b56538c224e4e7b38"
+  version "0.10.27"
+  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.27.tgz#bf926b058c62b1cb5de1a887930673b6aa6d9a66"
   dependencies:
     es6-iterator "2"
     es6-symbol "~3.1"
@@ -1514,7 +1440,7 @@ escape-string-regexp@1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.2.tgz#4dbc2fe674e71949caf3fb2695ce7f2dc1d9a8d1"
 
-escape-string-regexp@1.0.5, escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
+escape-string-regexp@1.0.5, escape-string-regexp@^1.0.2:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
 
@@ -1538,62 +1464,13 @@ escope@^3.6.0:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
 
-eslint@^3.19.0:
-  version "3.19.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-3.19.0.tgz#c8fc6201c7f40dd08941b87c085767386a679acc"
-  dependencies:
-    babel-code-frame "^6.16.0"
-    chalk "^1.1.3"
-    concat-stream "^1.5.2"
-    debug "^2.1.1"
-    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"
-    glob "^7.0.3"
-    globals "^9.14.0"
-    ignore "^3.2.0"
-    imurmurhash "^0.1.4"
-    inquirer "^0.12.0"
-    is-my-json-valid "^2.10.0"
-    is-resolvable "^1.0.0"
-    js-yaml "^3.5.1"
-    json-stable-stringify "^1.0.0"
-    levn "^0.3.0"
-    lodash "^4.0.0"
-    mkdirp "^0.5.0"
-    natural-compare "^1.4.0"
-    optionator "^0.8.2"
-    path-is-inside "^1.0.1"
-    pluralize "^1.2.1"
-    progress "^1.1.8"
-    require-uncached "^1.0.2"
-    shelljs "^0.7.5"
-    strip-bom "^3.0.0"
-    strip-json-comments "~2.0.1"
-    table "^3.7.8"
-    text-table "~0.2.0"
-    user-home "^2.0.0"
-
-espree@^3.4.0:
-  version "3.4.3"
-  resolved "https://registry.yarnpkg.com/espree/-/espree-3.4.3.tgz#2910b5ccd49ce893c2ffffaab4fd8b3a31b82374"
-  dependencies:
-    acorn "^5.0.1"
-    acorn-jsx "^3.0.0"
-
 esprima@2.7.x, esprima@^2.6.0, esprima@^2.7.1:
   version "2.7.3"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-2.7.3.tgz#96e3b70d5779f6ad49cd032673d1c312767ba581"
 
-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"
+esprima@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.0.tgz#4499eddcd1110e0b218bacf2fa7f7f59f55ca804"
 
 esrecurse@^4.1.0:
   version "4.2.0"
@@ -1606,7 +1483,7 @@ estraverse@^1.9.1:
   version "1.9.3"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-1.9.3.tgz#af67f2dc922582415950926091a4005d29c9bb44"
 
-estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1, estraverse@^4.2.0:
+estraverse@^4.1.0, estraverse@^4.1.1:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
 
@@ -1618,6 +1495,10 @@ ethereum-common@0.0.18, ethereum-common@^0.0.18:
   version "0.0.18"
   resolved "https://registry.yarnpkg.com/ethereum-common/-/ethereum-common-0.0.18.tgz#2fdc3576f232903358976eb39da783213ff9523f"
 
+ethereum-common@0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/ethereum-common/-/ethereum-common-0.1.0.tgz#874dd0fae5e962a56c50ebf28efa6fe39492b0e7"
+
 ethereumjs-account@^2.0.3:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/ethereumjs-account/-/ethereumjs-account-2.0.4.tgz#f8c30231bcb707f4514d8a052c1f9da103624d47"
@@ -1626,8 +1507,8 @@ ethereumjs-account@^2.0.3:
     rlp "^2.0.0"
 
 ethereumjs-block@^1.2.2:
-  version "1.5.1"
-  resolved "https://registry.yarnpkg.com/ethereumjs-block/-/ethereumjs-block-1.5.1.tgz#ffb9f636f2e7d4db4b8060df98f08e9d688dc660"
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/ethereumjs-block/-/ethereumjs-block-1.6.0.tgz#cded4962deaca1eef17372b4d290e84b35c84372"
   dependencies:
     async "^2.0.1"
     ethereum-common "0.0.18"
@@ -1642,17 +1523,17 @@ ethereumjs-testrpc-sc@4.0.1:
     webpack "^3.0.0"
 
 ethereumjs-testrpc@^3.0.2:
-  version "3.9.0"
-  resolved "https://registry.yarnpkg.com/ethereumjs-testrpc/-/ethereumjs-testrpc-3.9.0.tgz#a961ea4c43f3e05d5a7cddd83ee24136e1af09b9"
+  version "3.9.2"
+  resolved "https://registry.yarnpkg.com/ethereumjs-testrpc/-/ethereumjs-testrpc-3.9.2.tgz#bb0f2d3c3aa39350872ad38e40c83e9d787331c9"
 
 ethereumjs-tx@^1.2.0, ethereumjs-tx@^1.2.2:
-  version "1.3.1"
-  resolved "https://registry.yarnpkg.com/ethereumjs-tx/-/ethereumjs-tx-1.3.1.tgz#d6909abcfb37da6404fc18124d351eda20047dac"
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/ethereumjs-tx/-/ethereumjs-tx-1.3.3.tgz#ece051d3efdbe771ad2a518d61632ca2ab75ecbb"
   dependencies:
     ethereum-common "^0.0.18"
     ethereumjs-util "^5.0.0"
 
-ethereumjs-util@^4.0.0, ethereumjs-util@^4.0.1, ethereumjs-util@^4.4.0:
+ethereumjs-util@4.5.0, ethereumjs-util@^4.0.0, ethereumjs-util@^4.0.1, ethereumjs-util@^4.4.0:
   version "4.5.0"
   resolved "https://registry.yarnpkg.com/ethereumjs-util/-/ethereumjs-util-4.5.0.tgz#3e9428b317eebda3d7260d854fddda954b1f1bc6"
   dependencies:
@@ -1676,15 +1557,15 @@ ethereumjs-util@^5.0.0, ethereumjs-util@^5.0.1:
     secp256k1 "^3.0.1"
 
 ethereumjs-vm@^2.0.2:
-  version "2.0.2"
-  resolved "https://github.com/sc-forks/ethereumjs-vm-sc.git#7ad1fd13789b4e6f307e3f282289e58b6d4e94a7"
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/ethereumjs-vm/-/ethereumjs-vm-2.2.1.tgz#183406cc40e4d9f4248e7e047dea7c191beab3a1"
   dependencies:
     async "^2.1.2"
     async-eventemitter "^0.2.2"
-    ethereum-common "0.0.18"
+    ethereum-common "0.1.0"
     ethereumjs-account "^2.0.3"
     ethereumjs-block "^1.2.2"
-    ethereumjs-util "^4.0.1"
+    ethereumjs-util "4.5.0"
     fake-merkle-patricia-tree "^1.0.1"
     functional-red-black-tree "^1.0.1"
     merkle-patricia-tree "^2.1.2"
@@ -1737,10 +1618,6 @@ execa@^0.7.0:
     signal-exit "^3.0.0"
     strip-eof "^1.0.0"
 
-exit-hook@^1.0.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/exit-hook/-/exit-hook-1.1.1.tgz#f05ca233b48c05d54fff07765df8507e95c02ff8"
-
 expand-brackets@^0.1.4:
   version "0.1.5"
   resolved "https://registry.yarnpkg.com/expand-brackets/-/expand-brackets-0.1.5.tgz#df07284e342a807cd733ac5af72411e581d1177b"
@@ -1767,9 +1644,9 @@ extglob@^0.3.1:
   dependencies:
     is-extglob "^1.0.0"
 
-extsprintf@1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.0.2.tgz#e1080e0658e300b06294990cc70e1502235fd550"
+extsprintf@1.3.0, extsprintf@^1.2.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/extsprintf/-/extsprintf-1.3.0.tgz#96918440e3041a7a414f8c52e3c574eb3c3e1e05"
 
 fake-merkle-patricia-tree@^1.0.1:
   version "1.0.1"
@@ -1785,20 +1662,6 @@ fast-levenshtein@~2.0.4:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
 
-figures@^1.3.5:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/figures/-/figures-1.7.0.tgz#cbe1e3affcf1cd44b80cadfed28dc793a9701d2e"
-  dependencies:
-    escape-string-regexp "^1.0.5"
-    object-assign "^4.1.0"
-
-file-entry-cache@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/file-entry-cache/-/file-entry-cache-2.0.0.tgz#c392990c3e684783d838b8c84a45d8a048458361"
-  dependencies:
-    flat-cache "^1.2.1"
-    object-assign "^4.0.1"
-
 filename-regex@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/filename-regex/-/filename-regex-2.0.1.tgz#c1c4b9bee3e09725ddb106b75c1e301fe2f18b26"
@@ -1826,15 +1689,6 @@ find-up@^2.0.0:
   dependencies:
     locate-path "^2.0.0"
 
-flat-cache@^1.2.1:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-1.2.2.tgz#fa86714e72c21db88601761ecf2f555d1abc6b96"
-  dependencies:
-    circular-json "^0.3.1"
-    del "^2.0.2"
-    graceful-fs "^4.1.2"
-    write "^0.2.1"
-
 for-each@^0.3.2, for-each@~0.3.2:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/for-each/-/for-each-0.3.2.tgz#2c40450b9348e97f281322593ba96704b9abd4d4"
@@ -1999,17 +1853,7 @@ glob@^5.0.15:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^6.0.1:
-  version "6.0.4"
-  resolved "https://registry.yarnpkg.com/glob/-/glob-6.0.4.tgz#0f08860f6a155127b2fadd4f9ce24b1aab6e4d22"
-  dependencies:
-    inflight "^1.0.4"
-    inherits "2"
-    minimatch "2 || 3"
-    once "^1.3.0"
-    path-is-absolute "^1.0.0"
-
-glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@~7.1.1:
+glob@^7.0.0, glob@^7.0.5, glob@~7.1.2:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
   dependencies:
@@ -2027,21 +1871,10 @@ global@^4.3.2, global@~4.3.0:
     min-document "^2.19.0"
     process "~0.5.1"
 
-globals@^9.0.0, globals@^9.14.0:
+globals@^9.0.0:
   version "9.18.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
 
-globby@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/globby/-/globby-5.0.0.tgz#ebd84667ca0dbb330b99bcfc68eac2bc54370e0d"
-  dependencies:
-    array-union "^1.0.1"
-    arrify "^1.0.0"
-    glob "^7.0.3"
-    object-assign "^4.0.1"
-    pify "^2.0.0"
-    pinkie-promise "^2.0.0"
-
 graceful-fs@^4.1.2, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
@@ -2115,10 +1948,11 @@ hash-base@^2.0.0:
     inherits "^2.0.1"
 
 hash.js@^1.0.0, hash.js@^1.0.3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.0.3.tgz#1332ff00156c0a0ffdd8236013d07b77a0451573"
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/hash.js/-/hash.js-1.1.3.tgz#340dedbe6290187151c1ea1d777a3448935df846"
   dependencies:
-    inherits "^2.0.1"
+    inherits "^2.0.3"
+    minimalistic-assert "^1.0.0"
 
 hawk@~3.1.3:
   version "3.1.3"
@@ -2156,8 +1990,8 @@ home-or-tmp@^2.0.0:
     os-tmpdir "^1.0.1"
 
 hosted-git-info@^2.1.4:
-  version "2.4.2"
-  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.4.2.tgz#0076b9f46a270506ddbaaea56496897460612a67"
+  version "2.5.0"
+  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.5.0.tgz#6d60e34b3abbc8313062c3b798ef8d901a07af3c"
 
 http-signature@~1.1.0:
   version "1.1.1"
@@ -2172,25 +2006,17 @@ https-browserify@0.0.1:
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-0.0.1.tgz#3f91365cabe60b77ed0ebba24b454e3e09d95a82"
 
 iconv-lite@~0.4.13:
-  version "0.4.17"
-  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.17.tgz#4fdaa3b38acbc2c031b045d0edcdfe1ecab18c8d"
+  version "0.4.18"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.18.tgz#23d8656b16aae6742ac29732ea8f0336a4789cf2"
 
 ieee754@^1.1.4:
   version "1.1.8"
   resolved "https://registry.yarnpkg.com/ieee754/-/ieee754-1.1.8.tgz#be33d40ac10ef1926701f6f08a2d86fbfd1ad3e4"
 
-ignore@^3.2.0:
-  version "3.3.3"
-  resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.3.tgz#432352e57accd87ab3110e82d3fea0e47812156d"
-
 immediate@^3.2.3:
   version "3.2.3"
   resolved "https://registry.yarnpkg.com/immediate/-/immediate-3.2.3.tgz#d140fa8f614659bd6541233097ddaac25cdd991c"
 
-imurmurhash@^0.1.4:
-  version "0.1.4"
-  resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
-
 indexof@0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/indexof/-/indexof-0.0.1.tgz#82dc336d232b9062179d05ab3293a66059fd435d"
@@ -2214,24 +2040,6 @@ ini@~1.3.0:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.4.tgz#0537cb79daf59b59a1a517dff706c86ec039162e"
 
-inquirer@^0.12.0:
-  version "0.12.0"
-  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-0.12.0.tgz#1ef2bfd63504df0bc75785fff8c2c41df12f077e"
-  dependencies:
-    ansi-escapes "^1.1.0"
-    ansi-regex "^2.0.0"
-    chalk "^1.0.0"
-    cli-cursor "^1.0.1"
-    cli-width "^2.0.0"
-    figures "^1.3.5"
-    lodash "^4.3.0"
-    readline2 "^1.0.1"
-    run-async "^0.1.0"
-    rx-lite "^3.1.2"
-    string-width "^1.0.1"
-    strip-ansi "^3.0.0"
-    through "^2.3.6"
-
 interpret@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.0.3.tgz#cbc35c62eeee73f19ab7b10a801511401afc0f90"
@@ -2322,7 +2130,7 @@ is-hex-prefixed@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-hex-prefixed/-/is-hex-prefixed-1.0.0.tgz#7d8d37e6ad77e5d127148913c573e082d777f554"
 
-is-my-json-valid@^2.10.0, is-my-json-valid@^2.12.4:
+is-my-json-valid@^2.12.4:
   version "2.16.0"
   resolved "https://registry.yarnpkg.com/is-my-json-valid/-/is-my-json-valid-2.16.0.tgz#f079dd9bfdae65ee2038aae8acbc86ab109e3693"
   dependencies:
@@ -2343,22 +2151,6 @@ is-number@^3.0.0:
   dependencies:
     kind-of "^3.0.2"
 
-is-path-cwd@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/is-path-cwd/-/is-path-cwd-1.0.0.tgz#d225ec23132e89edd38fda767472e62e65f1106d"
-
-is-path-in-cwd@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/is-path-in-cwd/-/is-path-in-cwd-1.0.0.tgz#6477582b8214d602346094567003be8a9eac04dc"
-  dependencies:
-    is-path-inside "^1.0.0"
-
-is-path-inside@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/is-path-inside/-/is-path-inside-1.0.0.tgz#fc06e5a1683fbda13de667aff717bbc10a48f37f"
-  dependencies:
-    path-is-inside "^1.0.1"
-
 is-posix-bracket@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/is-posix-bracket/-/is-posix-bracket-0.1.1.tgz#3334dc79774368e92f016e6fbc0a88f5cd6e6bc4"
@@ -2371,18 +2163,12 @@ is-property@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-property/-/is-property-1.0.2.tgz#57fe1c4e48474edd65b09911f26b1cd4095dda84"
 
-is-regex@^1.0.3:
+is-regex@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.0.4.tgz#5517489b547091b0930e095654ced25ee97e9491"
   dependencies:
     has "^1.0.1"
 
-is-resolvable@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/is-resolvable/-/is-resolvable-1.0.0.tgz#8df57c61ea2e3c501408d100fb013cf8d6e0cc62"
-  dependencies:
-    tryit "^1.0.1"
-
 is-stream@^1.0.1, is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
@@ -2459,16 +2245,23 @@ js-sha3@^0.3.1:
   resolved "https://registry.yarnpkg.com/js-sha3/-/js-sha3-0.3.1.tgz#86122802142f0828502a0d1dee1d95e253bb0243"
 
 js-tokens@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.1.tgz#08e9f132484a2c45a30907e9dc4d5567b7f114d7"
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
-js-yaml@3.6.1, js-yaml@3.x, js-yaml@^3.5.1:
+js-yaml@3.6.1:
   version "3.6.1"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.6.1.tgz#6e5fe67d8b205ce4d22fad05b7781e8dadcc4b30"
   dependencies:
     argparse "^1.0.7"
     esprima "^2.6.0"
 
+js-yaml@3.x:
+  version "3.9.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.9.1.tgz#08775cebdfdd359209f0d2acd383c8f86a6904a0"
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
 jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/jsbn/-/jsbn-0.1.1.tgz#a5e654c2e5a2deb5f201d96cefbca80c0ef2f513"
@@ -2493,7 +2286,7 @@ json-schema@0.2.3:
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/json-schema/-/json-schema-0.2.3.tgz#b480c892e59a2f05954ce727bd3f2a4e882f9e13"
 
-json-stable-stringify@^1.0.0, json-stable-stringify@^1.0.1:
+json-stable-stringify@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
   dependencies:
@@ -2526,13 +2319,13 @@ jsonpointer@^4.0.0:
   resolved "https://registry.yarnpkg.com/jsonpointer/-/jsonpointer-4.0.1.tgz#4fd92cb34e0e9db3c89c8622ecf51f9b978c6cb9"
 
 jsprim@^1.2.2:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.0.tgz#a3b87e40298d8c380552d8cc7628a0bb95a22918"
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.1.tgz#313e66bc1e5cc06e438bc1b7499c2e5c56acb6a2"
   dependencies:
     assert-plus "1.0.0"
-    extsprintf "1.0.2"
+    extsprintf "1.3.0"
     json-schema "0.2.3"
-    verror "1.3.6"
+    verror "1.10.0"
 
 keccak@^1.0.2:
   version "1.3.0"
@@ -2583,9 +2376,9 @@ lcov-parse@0.0.10:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/lcov-parse/-/lcov-parse-0.0.10.tgz#1b0b8ff9ac9c7889250582b70b71315d9da6d9a3"
 
-level-codec@~6.1.0:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/level-codec/-/level-codec-6.1.0.tgz#f5df0a99582f76dac43855151ab6f4e4d0d60045"
+level-codec@~7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/level-codec/-/level-codec-7.0.0.tgz#c755b68d0d44ffa0b1cba044b8f81a55a14ad39b"
 
 level-errors@^1.0.3, level-errors@~1.0.3:
   version "1.0.4"
@@ -2610,18 +2403,18 @@ level-ws@0.0.0:
     xtend "~2.1.1"
 
 levelup@^1.2.1:
-  version "1.3.8"
-  resolved "https://registry.yarnpkg.com/levelup/-/levelup-1.3.8.tgz#fb442c488efbea1043f7eb9929a792a74fbd1da6"
+  version "1.3.9"
+  resolved "https://registry.yarnpkg.com/levelup/-/levelup-1.3.9.tgz#2dbcae845b2bb2b6bea84df334c475533bbd82ab"
   dependencies:
     deferred-leveldown "~1.2.1"
-    level-codec "~6.1.0"
+    level-codec "~7.0.0"
     level-errors "~1.0.3"
     level-iterator-stream "~1.3.0"
     prr "~1.0.1"
-    semver "~5.1.0"
+    semver "~5.4.1"
     xtend "~4.0.0"
 
-levn@^0.3.0, levn@~0.3.0:
+levn@~0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"
   dependencies:
@@ -2717,7 +2510,7 @@ lodash.keys@^3.0.0:
     lodash.isarguments "^3.0.0"
     lodash.isarray "^3.0.0"
 
-lodash@^4.0.0, lodash@^4.14.0, lodash@^4.2.0, lodash@^4.3.0:
+lodash@^4.14.0, lodash@^4.2.0:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
@@ -2778,8 +2571,8 @@ memorystream@^0.3.1:
   resolved "https://registry.yarnpkg.com/memorystream/-/memorystream-0.3.1.tgz#86d7090b30ce455d63fbae12dda51a47ddcaf9b2"
 
 merkle-patricia-tree@^2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/merkle-patricia-tree/-/merkle-patricia-tree-2.1.2.tgz#724483d54b75631a48fedda55e114051706a7291"
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/merkle-patricia-tree/-/merkle-patricia-tree-2.2.0.tgz#7a4787b1262ab00fe9b204ab471b005332306efa"
   dependencies:
     async "^1.4.2"
     ethereumjs-util "^4.0.0"
@@ -2815,15 +2608,15 @@ miller-rabin@^4.0.0:
     bn.js "^4.0.0"
     brorand "^1.0.1"
 
-mime-db@~1.27.0:
-  version "1.27.0"
-  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.27.0.tgz#820f572296bbd20ec25ed55e5b5de869e5436eb1"
+mime-db@~1.29.0:
+  version "1.29.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.29.0.tgz#48d26d235589651704ac5916ca06001914266878"
 
 mime-types@^2.1.12, mime-types@~2.1.7:
-  version "2.1.15"
-  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.15.tgz#a4ebf5064094569237b8cf70046776d09fc92aed"
+  version "2.1.16"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.16.tgz#2b858a52e5ecd516db897ac2be87487830698e23"
   dependencies:
-    mime-db "~1.27.0"
+    mime-db "~1.29.0"
 
 mimic-fn@^1.0.0:
   version "1.1.0"
@@ -2856,7 +2649,7 @@ minimatch@0.3:
   dependencies:
     brace-expansion "^1.1.7"
 
-minimist@0.0.8, minimist@~0.0.1:
+minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
@@ -2864,11 +2657,15 @@ minimist@1.2.0, minimist@^1.2.0, minimist@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
+minimist@~0.0.1:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+
 mkdirp@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.3.0.tgz#1bbf5ab1ba827af23575143490426455f481fe1e"
 
-mkdirp@0.5.1, mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0:
+mkdirp@0.5.1, mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.1, mkdirp@~0.5.0:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
@@ -2894,12 +2691,12 @@ mocha@^2.4.5:
     to-iso-string "0.0.2"
 
 mocha@^3.4.2:
-  version "3.4.2"
-  resolved "https://registry.yarnpkg.com/mocha/-/mocha-3.4.2.tgz#d0ef4d332126dbf18d0d640c9b382dd48be97594"
+  version "3.5.0"
+  resolved "https://registry.yarnpkg.com/mocha/-/mocha-3.5.0.tgz#1328567d2717f997030f8006234bce9b8cd72465"
   dependencies:
     browser-stdout "1.3.0"
     commander "2.9.0"
-    debug "2.6.0"
+    debug "2.6.8"
     diff "3.2.0"
     escape-string-regexp "1.0.5"
     glob "7.1.1"
@@ -2917,33 +2714,21 @@ 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"
-
 ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
-mute-stream@0.0.5:
-  version "0.0.5"
-  resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
-
 nan@^2.0.5, nan@^2.0.8, nan@^2.2.1, nan@^2.3.0:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.6.2.tgz#e4ff34e6c95fdfb5aecc08de6596f43605a7db45"
 
-natural-compare@^1.4.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
-
 node-abi@^2.0.0:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/node-abi/-/node-abi-2.0.3.tgz#0ca67e5e667b8e1343549ca17153a815d0bbfdaa"
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/node-abi/-/node-abi-2.1.0.tgz#50ad834affcf17440e12bfc5f9ba0946f572d10c"
 
 node-fetch@^1.0.1:
-  version "1.7.1"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.1.tgz#899cb3d0a3c92f952c47f1b876f4c8aeabd400d5"
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.7.2.tgz#c54e9aac57e432875233525f3c891c4159ffefd7"
   dependencies:
     encoding "^0.1.11"
     is-stream "^1.0.1"
@@ -3008,8 +2793,8 @@ nopt@^4.0.1:
     osenv "^0.1.4"
 
 normalize-package-data@^2.3.2:
-  version "2.3.8"
-  resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.3.8.tgz#d819eda2a9dedbd1ffa563ea4071d936782295bb"
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.4.0.tgz#12f95a307d58352075a04907b84ac8be98ac012f"
   dependencies:
     hosted-git-info "^2.1.4"
     is-builtin-module "^1.0.0"
@@ -3029,8 +2814,8 @@ npm-run-path@^2.0.0:
     path-key "^2.0.0"
 
 npmlog@^4.0.1, npmlog@^4.0.2:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.0.tgz#dc59bee85f64f00ed424efb2af0783df25d1c0b5"
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.2.tgz#08a7f2a8bf734604779a9efa4ad5cc717abb954b"
   dependencies:
     are-we-there-yet "~1.1.2"
     console-control-strings "~1.1.0"
@@ -3049,9 +2834,9 @@ object-assign@^4.0.0, 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"
 
-object-inspect@~1.2.1:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.2.2.tgz#c82115e4fcc888aea14d64c22e4f17f6a70d5e5a"
+object-inspect@~1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/object-inspect/-/object-inspect-1.3.0.tgz#5b1eb8e6742e2ee83342a637034d844928ba2f6d"
 
 object-keys@^1.0.8:
   version "1.0.11"
@@ -3074,10 +2859,6 @@ once@1.x, once@^1.3.0, once@^1.3.1, once@^1.3.3, once@^1.4.0:
   dependencies:
     wrappy "1"
 
-onetime@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
-
 optimist@^0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
@@ -3085,7 +2866,7 @@ optimist@^0.6.1:
     minimist "~0.0.1"
     wordwrap "~0.0.2"
 
-optionator@^0.8.1, optionator@^0.8.2:
+optionator@^0.8.1:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
   dependencies:
@@ -3201,14 +2982,14 @@ 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"
 
-path-is-inside@^1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
-
 path-key@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/path-key/-/path-key-2.0.1.tgz#411cadb574c5a140d3a4b1910d40d80cc9f40b40"
 
+path-parse@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
+
 path-type@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
@@ -3228,8 +3009,8 @@ pathval@^1.0.0:
   resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
 
 pbkdf2@^3.0.3, pbkdf2@^3.0.9:
-  version "3.0.12"
-  resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.12.tgz#be36785c5067ea48d806ff923288c5f750b6b8a2"
+  version "3.0.13"
+  resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.13.tgz#c37d295531e786b1da3e3eadc840426accb0ae25"
   dependencies:
     create-hash "^1.1.2"
     create-hmac "^1.1.4"
@@ -3259,13 +3040,9 @@ pinkie@^2.0.0:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"
 
-pluralize@^1.2.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-1.2.1.tgz#d1a21483fd22bb41e58a12fa3421823140897c45"
-
 prebuild-install@^2.0.0:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/prebuild-install/-/prebuild-install-2.1.2.tgz#d9ae0ca85330e03962d93292f95a8b44c2ebf505"
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/prebuild-install/-/prebuild-install-2.2.2.tgz#dd47c4d61f3754fb17bbf601759e5922e16e0671"
   dependencies:
     expand-template "^1.0.2"
     github-from-package "0.0.0"
@@ -3279,7 +3056,7 @@ prebuild-install@^2.0.0:
     rc "^1.1.6"
     simple-get "^1.4.2"
     tar-fs "^1.13.0"
-    tunnel-agent "^0.4.3"
+    tunnel-agent "^0.6.0"
     xtend "4.0.1"
 
 prelude-ls@~1.1.2:
@@ -3306,10 +3083,6 @@ process@~0.5.1:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/process/-/process-0.5.2.tgz#1638d8a8e34c2f440a91db95ab9aeb677fc185cf"
 
-progress@^1.1.8:
-  version "1.1.8"
-  resolved "https://registry.yarnpkg.com/progress/-/progress-1.1.8.tgz#e260c78f6161cdd9b0e56cc3e0a85de17c7a57be"
-
 prr@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/prr/-/prr-0.0.0.tgz#1a84b85908325501411853d0081ee3fa86e2926a"
@@ -3415,27 +3188,36 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
-readable-stream@^1.0.33, readable-stream@~1.0.15:
-  version "1.0.34"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
+readable-stream@^1.0.33:
+  version "1.1.14"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.1"
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.2.2, readable-stream@^2.2.6:
-  version "2.2.11"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.2.11.tgz#0796b31f8d7688007ff0b93a8088d34aa17c0f72"
+readable-stream@^2.0.0, readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.0.6, readable-stream@^2.1.4, readable-stream@^2.2.6:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
   dependencies:
     core-util-is "~1.0.0"
-    inherits "~2.0.1"
+    inherits "~2.0.3"
     isarray "~1.0.0"
     process-nextick-args "~1.0.6"
-    safe-buffer "~5.0.1"
-    string_decoder "~1.0.0"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.0.3"
     util-deprecate "~1.0.1"
 
+readable-stream@~1.0.15:
+  version "1.0.34"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "0.0.1"
+    string_decoder "~0.10.x"
+
 readdirp@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.1.0.tgz#4ed0ad060df3073300c48440373f72d1cc642d78"
@@ -3445,14 +3227,6 @@ readdirp@^2.0.0:
     readable-stream "^2.0.2"
     set-immediate-shim "^1.0.1"
 
-readline2@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/readline2/-/readline2-1.0.1.tgz#41059608ffc154757b715d9989d199ffbf372e35"
-  dependencies:
-    code-point-at "^1.0.0"
-    is-fullwidth-code-point "^1.0.0"
-    mute-stream "0.0.5"
-
 rechoir@^0.6.2:
   version "0.6.2"
   resolved "https://registry.yarnpkg.com/rechoir/-/rechoir-0.6.2.tgz#85204b54dba82d5742e28c96756ef43af50e3384"
@@ -3530,7 +3304,7 @@ req-from@^1.0.1:
   dependencies:
     resolve-from "^2.0.0"
 
-request@2.79.0, request@^2.67.0:
+request@2.79.0:
   version "2.79.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.79.0.tgz#4dfe5bf6be8b8cdc37fcf93e04b65577722710de"
   dependencies:
@@ -3555,7 +3329,7 @@ request@2.79.0, request@^2.67.0:
     tunnel-agent "~0.4.1"
     uuid "^3.0.0"
 
-request@^2.81.0:
+request@^2.67.0, request@^2.81.0:
   version "2.81.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.81.0.tgz#c6928946a0e06c5f8d6f8a9333469ffda46298a0"
   dependencies:
@@ -3594,31 +3368,19 @@ require-main-filename@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
 
-require-uncached@^1.0.2:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
-  dependencies:
-    caller-path "^0.1.0"
-    resolve-from "^1.0.0"
-
-resolve-from@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
-
 resolve-from@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-2.0.0.tgz#9480ab20e94ffa1d9e80a804c7ea147611966b57"
 
-resolve@1.1.x, resolve@^1.1.6, resolve@~1.1.7:
+resolve@1.1.x:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
 
-restore-cursor@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-1.0.1.tgz#34661f46886327fed2991479152252df92daa541"
+resolve@^1.1.6, resolve@~1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.4.0.tgz#a75be01c53da25d934a98ebd0e4c4a7312f92a86"
   dependencies:
-    exit-hook "^1.0.0"
-    onetime "^1.0.0"
+    path-parse "^1.0.5"
 
 resumer@~0.0.0:
   version "0.0.0"
@@ -3632,18 +3394,12 @@ right-align@^0.1.1:
   dependencies:
     align-text "^0.1.1"
 
-rimraf@2, rimraf@^2.5.1, rimraf@^2.6.1:
+rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.1.tgz#c2338ec643df7a1b7fe5c54fa86f57428a55f33d"
   dependencies:
     glob "^7.0.5"
 
-rimraf@^2.2.8:
-  version "2.4.5"
-  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.4.5.tgz#ee710ce5d93a8fdb856fb5ea8ff0e2d75934b2da"
-  dependencies:
-    glob "^6.0.1"
-
 ripemd160@^2.0.0, ripemd160@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/ripemd160/-/ripemd160-2.0.1.tgz#0f4584295c53a3628af7e6d79aca21ce57d1c6e7"
@@ -3655,23 +3411,9 @@ rlp@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/rlp/-/rlp-2.0.0.tgz#9db384ff4b89a8f61563d92395d8625b18f3afb0"
 
-run-async@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/run-async/-/run-async-0.1.0.tgz#c8ad4a5e110661e402a7d21b530e009f25f8e389"
-  dependencies:
-    once "^1.3.0"
-
-rx-lite@^3.1.2:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-3.1.2.tgz#19ce502ca572665f3b647b10939f97fd1615f102"
-
-safe-buffer@^5.0.1, safe-buffer@^5.1.0:
-  version "5.1.0"
-  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.0.tgz#fe4c8460397f9eaaaa58e73be46273408a45e223"
-
-safe-buffer@~5.0.1:
-  version "5.0.1"
-  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.0.1.tgz#d263ca54696cd8a306b5ca6551e92de57918fbe7"
+safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
 scrypt.js@^0.2.0:
   version "0.2.0"
@@ -3707,16 +3449,12 @@ secp256k1@^3.0.1:
     safe-buffer "^5.1.0"
 
 semaphore@>=1.0.1, semaphore@^1.0.3:
-  version "1.0.5"
-  resolved "https://registry.yarnpkg.com/semaphore/-/semaphore-1.0.5.tgz#b492576e66af193db95d65e25ec53f5f19798d60"
-
-"semver@2 || 3 || 4 || 5", semver@^5.3.0:
-  version "5.3.0"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/semaphore/-/semaphore-1.1.0.tgz#aaad8b86b20fe8e9b32b16dc2ee682a8cd26a8aa"
 
-semver@~5.1.0:
-  version "5.1.1"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-5.1.1.tgz#a3292a373e6f3e0798da0b20641b9a9c5bc47e19"
+"semver@2 || 3 || 4 || 5", semver@^5.3.0, semver@~5.4.1:
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
 
 set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
@@ -3752,7 +3490,7 @@ shebang-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
 
-shelljs@^0.7.4, shelljs@^0.7.5:
+shelljs@^0.7.4:
   version "0.7.8"
   resolved "https://registry.yarnpkg.com/shelljs/-/shelljs-0.7.8.tgz#decbcf874b0d1e5fb72e14b164a9683048e9acb3"
   dependencies:
@@ -3780,10 +3518,6 @@ slash@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
 
-slice-ansi@0.0.4:
-  version "0.0.4"
-  resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-0.0.4.tgz#edbf8903f66f7ce2f8eafd6ceed65e264c831b35"
-
 sntp@1.x.x:
   version "1.0.9"
   resolved "https://registry.yarnpkg.com/sntp/-/sntp-1.0.9.tgz#6541184cc90aeea6c6e7b35e2659082443c66198"
@@ -3794,7 +3528,7 @@ sol-explore@^1.6.2:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/sol-explore/-/sol-explore-1.6.2.tgz#43ae8c419fd3ac056a05f8a9d1fb1022cd41ecc2"
 
-solc@0.4.13, solc@^0.4.2:
+solc@0.4.13:
   version "0.4.13"
   resolved "https://registry.yarnpkg.com/solc/-/solc-0.4.13.tgz#aa5cbdcce3e6ae3c190d20f5fdf8bc880702ec75"
   dependencies:
@@ -3804,6 +3538,16 @@ solc@0.4.13, solc@^0.4.2:
     semver "^5.3.0"
     yargs "^4.7.1"
 
+solc@^0.4.2:
+  version "0.4.15"
+  resolved "https://registry.yarnpkg.com/solc/-/solc-0.4.15.tgz#8ae8f1606a124a3f81c28b9dcecb0964ebdf9f25"
+  dependencies:
+    fs-extra "^0.30.0"
+    memorystream "^0.3.1"
+    require-from-string "^1.1.0"
+    semver "^5.3.0"
+    yargs "^4.7.1"
+
 solidity-coverage@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/solidity-coverage/-/solidity-coverage-0.2.1.tgz#aa6fd8e7d49a6fcd1dc9913e9b61bc84f8ad046f"
@@ -3912,8 +3656,8 @@ string-width@^1.0.1, string-width@^1.0.2:
     strip-ansi "^3.0.0"
 
 string-width@^2.0.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.0.tgz#030664561fc146c9423ec7d978fe2457437fe6d0"
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
   dependencies:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
@@ -3930,11 +3674,11 @@ 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@~1.0.0:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.2.tgz#b29e1f4e1125fa97a10382b8a533737b7491e179"
+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 "~5.0.1"
+    safe-buffer "~5.1.0"
 
 stringstream@~0.0.4:
   version "0.0.5"
@@ -3980,7 +3724,7 @@ supports-color@1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-1.2.0.tgz#ff1ed1e61169d06b3cf2d588e188b18d8847e17e"
 
-supports-color@3.1.2, supports-color@^3.1.0:
+supports-color@3.1.2:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.1.2.tgz#72a262894d9d408b956ca05ff37b2ed8a6e2a2d5"
   dependencies:
@@ -3990,41 +3734,36 @@ 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@^3.1.0:
+  version "3.2.3"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.2.3.tgz#65ac0504b3954171d8a64946b2ae3cbb8a5f54f6"
+  dependencies:
+    has-flag "^1.0.0"
+
 supports-color@^4.2.1:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.2.1.tgz#65a4bb2631e90e02420dba5554c375a4754bb836"
   dependencies:
     has-flag "^2.0.0"
 
-table@^3.7.8:
-  version "3.8.3"
-  resolved "https://registry.yarnpkg.com/table/-/table-3.8.3.tgz#2bbc542f0fda9861a755d3947fefd8b3f513855f"
-  dependencies:
-    ajv "^4.7.0"
-    ajv-keywords "^1.0.0"
-    chalk "^1.1.1"
-    lodash "^4.0.0"
-    slice-ansi "0.0.4"
-    string-width "^2.0.0"
-
 tapable@^0.2.7:
   version "0.2.8"
   resolved "https://registry.yarnpkg.com/tapable/-/tapable-0.2.8.tgz#99372a5c999bf2df160afc0d74bed4f47948cd22"
 
 tape@^4.4.0:
-  version "4.6.3"
-  resolved "https://registry.yarnpkg.com/tape/-/tape-4.6.3.tgz#637e77581e9ab2ce17577e9bd4ce4f575806d8b6"
+  version "4.8.0"
+  resolved "https://registry.yarnpkg.com/tape/-/tape-4.8.0.tgz#f6a9fec41cc50a1de50fa33603ab580991f6068e"
   dependencies:
     deep-equal "~1.0.1"
     defined "~1.0.0"
     for-each "~0.3.2"
     function-bind "~1.1.0"
-    glob "~7.1.1"
+    glob "~7.1.2"
     has "~1.0.1"
     inherits "~2.0.3"
     minimist "~1.2.0"
-    object-inspect "~1.2.1"
-    resolve "~1.1.7"
+    object-inspect "~1.3.0"
+    resolve "~1.4.0"
     resumer "~0.0.0"
     string.prototype.trim "~1.1.2"
     through "~2.3.8"
@@ -4068,11 +3807,7 @@ tar@^2.2.1:
     fstream "^1.0.2"
     inherits "2"
 
-text-table@~0.2.0:
-  version "0.2.0"
-  resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
-
-through@^2.3.6, through@~2.3.4, through@~2.3.8:
+through@~2.3.4, through@~2.3.8:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
@@ -4119,31 +3854,27 @@ truffle-hdwallet-provider@0.0.3:
     web3-provider-engine "^8.4.0"
 
 truffle@^3.4.6:
-  version "3.4.6"
-  resolved "https://registry.yarnpkg.com/truffle/-/truffle-3.4.6.tgz#72a07154233b4d1198ecb991a5fab468a0c54671"
+  version "3.4.8"
+  resolved "https://registry.yarnpkg.com/truffle/-/truffle-3.4.8.tgz#5d0cc363dfd6eb3fd5efbc9675732b52b587d8c3"
   dependencies:
     mocha "^3.4.2"
     original-require "^1.0.1"
     solc "0.4.13"
 
-tryit@^1.0.1:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/tryit/-/tryit-1.0.3.tgz#393be730a9446fd1ead6da59a014308f36c289cb"
-
 tty-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/tty-browserify/-/tty-browserify-0.0.0.tgz#a157ba402da24e9bf957f9aa69d524eed42901a6"
 
-tunnel-agent@^0.4.3, tunnel-agent@~0.4.1:
-  version "0.4.3"
-  resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.4.3.tgz#6373db76909fe570e08d73583365ed828a74eeeb"
-
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"
   dependencies:
     safe-buffer "^5.0.1"
 
+tunnel-agent@~0.4.1:
+  version "0.4.3"
+  resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.4.3.tgz#6373db76909fe570e08d73583365ed828a74eeeb"
+
 tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   version "0.14.5"
   resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
@@ -4162,20 +3893,7 @@ type-detect@^4.0.0:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.3.tgz#0e3f2670b44099b0b46c284d136a7ef49c74c2ea"
 
-typedarray@^0.0.6:
-  version "0.0.6"
-  resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
-
-uglify-js@^2.6:
-  version "2.8.28"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.28.tgz#e335032df9bb20dcb918f164589d5af47f38834a"
-  dependencies:
-    source-map "~0.5.1"
-    yargs "~3.10.0"
-  optionalDependencies:
-    uglify-to-browserify "~1.0.0"
-
-uglify-js@^2.8.29:
+uglify-js@^2.6, uglify-js@^2.8.29:
   version "2.8.29"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-2.8.29.tgz#29c5733148057bb4e1f75df35b7a9cb72e6a59dd"
   dependencies:
@@ -4215,12 +3933,6 @@ url@^0.11.0:
     punycode "1.3.2"
     querystring "0.2.0"
 
-user-home@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/user-home/-/user-home-2.0.0.tgz#9c70bfd8169bc1dcbf48604e0f04b8b49cde9e9f"
-  dependencies:
-    os-homedir "^1.0.0"
-
 utf8@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/utf8/-/utf8-2.1.2.tgz#1fa0d9270e9be850d9b05027f63519bf46457d96"
@@ -4240,8 +3952,8 @@ uuid@^2.0.1:
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-2.0.3.tgz#67e2e863797215530dff318e5bf9dcebfd47b21a"
 
 uuid@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.0.1.tgz#6544bba2dfda8c1cf17e629a3a305e2bb1fee6c1"
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.1.0.tgz#3dd3d3e790abc24d7b0d3a034ffababe28ebbc04"
 
 validate-npm-package-license@^3.0.1:
   version "3.0.1"
@@ -4250,11 +3962,13 @@ validate-npm-package-license@^3.0.1:
     spdx-correct "~1.0.0"
     spdx-expression-parse "~1.0.0"
 
-verror@1.3.6:
-  version "1.3.6"
-  resolved "https://registry.yarnpkg.com/verror/-/verror-1.3.6.tgz#cff5df12946d297d2baaefaa2689e25be01c005c"
+verror@1.10.0:
+  version "1.10.0"
+  resolved "https://registry.yarnpkg.com/verror/-/verror-1.10.0.tgz#3a105ca17053af55d6e270c1f8288682e18da400"
   dependencies:
-    extsprintf "1.0.2"
+    assert-plus "^1.0.0"
+    core-util-is "1.0.2"
+    extsprintf "^1.2.0"
 
 vm-browserify@0.0.4:
   version "0.0.4"
@@ -4355,8 +4069,8 @@ which-module@^2.0.0:
   resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
 
 which@^1.1.1, which@^1.2.9:
-  version "1.2.14"
-  resolved "https://registry.yarnpkg.com/which/-/which-1.2.14.tgz#9a87c4378f03e827cecaf1acdf56c736c01c14e5"
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/which/-/which-1.3.0.tgz#ff04bdfc010ee547d780bec38e1ac1c2777d253a"
   dependencies:
     isexe "^2.0.0"
 
@@ -4397,12 +4111,6 @@ wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
 
-write@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/write/-/write-0.2.1.tgz#5fc03828e264cea3fe91455476f7a3c566cb0757"
-  dependencies:
-    mkdirp "^0.5.1"
-
 xhr2@*:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/xhr2/-/xhr2-0.1.4.tgz#7f87658847716db5026323812f818cadab387a5f"