diff --git a/yarn.lock b/yarn.lock
index 749a34e..f17c4d4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -388,7 +388,7 @@ babel-messages@^6.23.0:
 
 babel-plugin-istanbul@^4.0.0, babel-plugin-istanbul@^4.1.4:
   version "4.1.6"
-  resolved "http://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
+  resolved "https://registry.npmjs.org/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
   integrity sha512-PWP9FQ1AhZhS01T/4qLSKoHGY/xvkZdVBGlKM/HuxxS3+sC66HhTNR7+MpbO/so/cz/wY94MeSWJuP1hXIPfwQ==
   dependencies:
     babel-plugin-syntax-object-rest-spread "^6.13.0"
@@ -403,7 +403,7 @@ babel-plugin-jest-hoist@^20.0.3:
 
 babel-plugin-syntax-object-rest-spread@^6.13.0:
   version "6.13.0"
-  resolved "http://registry.npmjs.org/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
+  resolved "https://registry.npmjs.org/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
   integrity sha1-/WU28rzhODb/o6VFjEkDpZe7O/U=
 
 babel-plugin-transform-es2015-modules-commonjs@^6.24.1:
@@ -585,7 +585,7 @@ browser-resolve@^1.11.2:
 
 browserify-aes@^1.0.0, browserify-aes@^1.0.4:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
+  resolved "https://registry.npmjs.org/browserify-aes/-/browserify-aes-1.2.0.tgz#326734642f403dabc3003209853bb70ad428ef48"
   integrity sha512-+7CHXqGuspUn/Sl5aO7Ea0xWGAtETPXNSAjHo48JfLdPWcMng33Xe4znFvQweqc/uzk5zSOI3H52CYnjCfb5hA==
   dependencies:
     buffer-xor "^1.0.3"
@@ -616,7 +616,7 @@ browserify-des@^1.0.0:
 
 browserify-rsa@^4.0.0:
   version "4.0.1"
-  resolved "http://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz#21e0abfaf6f2029cf2fafb133567a701d4135524"
+  resolved "https://registry.npmjs.org/browserify-rsa/-/browserify-rsa-4.0.1.tgz#21e0abfaf6f2029cf2fafb133567a701d4135524"
   integrity sha1-IeCr+vbyApzy+vsTNWenAdQTVSQ=
   dependencies:
     bn.js "^4.1.0"
@@ -663,7 +663,7 @@ buffer-xor@^1.0.3:
 
 buffer@^4.3.0:
   version "4.9.1"
-  resolved "http://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
+  resolved "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz#6d1bb601b07a4efced97094132093027c95bc298"
   integrity sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=
   dependencies:
     base64-js "^1.0.2"
@@ -730,7 +730,7 @@ center-align@^0.1.1:
 
 chalk@^1.1.3:
   version "1.1.3"
-  resolved "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  resolved "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   integrity sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=
   dependencies:
     ansi-styles "^2.2.1"
@@ -925,7 +925,7 @@ create-ecdh@^4.0.0:
 
 create-hash@^1.1.0, create-hash@^1.1.2:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
+  resolved "https://registry.npmjs.org/create-hash/-/create-hash-1.2.0.tgz#889078af11a63756bcfb59bd221996be3a9ef196"
   integrity sha512-z00bCGNHDG8mHAkP7CtT1qVu+bFQUPjYq/4Iv3C3kWjTFV10zIjfSoeqXo9Asws8gwSHDGj/hl2u4OGIjapeCg==
   dependencies:
     cipher-base "^1.0.1"
@@ -936,7 +936,7 @@ create-hash@^1.1.0, create-hash@^1.1.2:
 
 create-hmac@^1.1.0, create-hmac@^1.1.2, create-hmac@^1.1.4:
   version "1.1.7"
-  resolved "http://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
+  resolved "https://registry.npmjs.org/create-hmac/-/create-hmac-1.1.7.tgz#69170c78b3ab957147b2b8b04572e47ead2243ff"
   integrity sha512-MJG9liiZ+ogc4TzUwuvbER1JRdgvUFSB5+VR/g5h82fGaIRWMWddtKBHi7/sVhfjQZ6SehlyhvQYrcYkaUIpLg==
   dependencies:
     cipher-base "^1.0.3"
@@ -1101,7 +1101,7 @@ diff@^3.2.0:
 
 diffie-hellman@^5.0.0:
   version "5.0.3"
-  resolved "http://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"
+  resolved "https://registry.npmjs.org/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"
   integrity sha512-kqag/Nl+f3GwyK25fhUMYj81BUOrZ9IuJsjIcDE5icNM9FJHAVm3VcUDxdLPoQtTuUylWm6ZIknYJwwaPxsUzg==
   dependencies:
     bn.js "^4.1.0"
@@ -1723,9 +1723,9 @@ inherits@2.0.1:
   integrity sha1-sX0I0ya0Qj5Wjv9xn5GwscvfafE=
 
 ini@~1.3.0:
-  version "1.3.5"
-  resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.5.tgz#eee25f56db1c9ec6085e0c22778083f596abf927"
-  integrity sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==
+  version "1.3.7"
+  resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.7.tgz#a09363e1911972ea16d7a8851005d84cf09a9a84"
+  integrity sha512-iKpRpXP+CrP2jyrxvg1kMUpXDyRUFDWurxbnVT1vQPx+Wz9uCYsMIqYuSBLV+PAaZG/d7kRLKRFc9oDMsH+mFQ==
 
 interpret@^1.0.0:
   version "1.1.0"
@@ -2658,17 +2658,17 @@ minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4:
 
 minimist@0.0.8:
   version "0.0.8"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
   integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
 
 minimist@^1.1.1, minimist@^1.2.0:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
   integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
 
 minimist@~0.0.1:
   version "0.0.10"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
   integrity sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=
 
 minipass@^2.2.1, minipass@^2.3.3:
@@ -2696,7 +2696,7 @@ mixin-deep@^1.2.0:
 
 mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0:
   version "0.5.1"
-  resolved "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
   dependencies:
     minimist "0.0.8"
@@ -2957,7 +2957,7 @@ os-homedir@^1.0.0:
 
 os-locale@^1.4.0:
   version "1.4.0"
-  resolved "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
+  resolved "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz#20f9f17ae29ed345e8bde583b13d2009803c14d9"
   integrity sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=
   dependencies:
     lcid "^1.0.0"
@@ -3020,7 +3020,7 @@ pako@~1.0.5:
 
 parse-asn1@^5.0.0:
   version "5.1.1"
-  resolved "http://registry.npmjs.org/parse-asn1/-/parse-asn1-5.1.1.tgz#f6bf293818332bd0dab54efb16087724745e6ca8"
+  resolved "https://registry.npmjs.org/parse-asn1/-/parse-asn1-5.1.1.tgz#f6bf293818332bd0dab54efb16087724745e6ca8"
   integrity sha512-KPx7flKXg775zZpnp9SxJlz00gTd4BmJ2yJufSc44gMCRrRQ7NSzAcSJQfifuOLgW6bEi+ftrALtsgALeB2Adw==
   dependencies:
     asn1.js "^4.0.0"
@@ -3212,7 +3212,7 @@ psl@^1.1.24:
 
 public-encrypt@^4.0.0:
   version "4.0.2"
-  resolved "http://registry.npmjs.org/public-encrypt/-/public-encrypt-4.0.2.tgz#46eb9107206bf73489f8b85b69d91334c6610994"
+  resolved "https://registry.npmjs.org/public-encrypt/-/public-encrypt-4.0.2.tgz#46eb9107206bf73489f8b85b69d91334c6610994"
   integrity sha512-4kJ5Esocg8X3h8YgJsKAuoesBgB7mqH3eowiDzMUPKiRDDE7E/BqqZD1hnTByIaAFiwAw246YEltSq7tdrOH0Q==
   dependencies:
     bn.js "^4.1.0"
@@ -3351,7 +3351,7 @@ read-pkg@^2.0.0:
 
 readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.3.3, readable-stream@^2.3.6:
   version "2.3.6"
-  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   integrity sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==
   dependencies:
     core-util-is "~1.0.0"
@@ -3572,7 +3572,7 @@ setimmediate@^1.0.4:
 
 sha.js@^2.4.0, sha.js@^2.4.8:
   version "2.4.11"
-  resolved "http://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz#37a5cf0b81ecbc6943de109ba2960d1b26584ae7"
+  resolved "https://registry.npmjs.org/sha.js/-/sha.js-2.4.11.tgz#37a5cf0b81ecbc6943de109ba2960d1b26584ae7"
   integrity sha512-QMEp5B7cftE7APOjk5Y6xgrbWu+WkLVQwk8JNjZ8nKRciZaByEW6MubieAiToS7+dwvrjGhH8jRXz3MVd0AYqQ==
   dependencies:
     inherits "^2.0.1"
@@ -4287,7 +4287,7 @@ worker-farm@^1.3.1:
 
 wrap-ansi@^2.0.0:
   version "2.1.0"
-  resolved "http://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  resolved "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
   integrity sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=
   dependencies:
     string-width "^1.0.1"
@@ -4346,7 +4346,7 @@ yargs-parser@^7.0.0:
 
 yargs@^6.0.0:
   version "6.6.0"
-  resolved "http://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"
+  resolved "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz#782ec21ef403345f830a808ca3d513af56065208"
   integrity sha1-eC7CHvQDNF+DCoCMo9UTr1YGUgg=
   dependencies:
     camelcase "^3.0.0"
@@ -4403,7 +4403,7 @@ yargs@^8.0.1:
 
 yargs@~3.10.0:
   version "3.10.0"
-  resolved "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
+  resolved "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"
   integrity sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=
   dependencies:
     camelcase "^1.0.2"