diff --git a/yarn.lock b/yarn.lock
index 0fab8f5..8373811 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -19,43 +19,43 @@
   optionalDependencies:
     chokidar "^2.0.4"
 
-"@babel/code-frame@^7.0.0", "@babel/code-frame@^7.5.5":
-  version "7.5.5"
-  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.5.5.tgz#bc0782f6d69f7b7d49531219699b988f669a8f9d"
-  integrity sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==
+"@babel/code-frame@^7.0.0", "@babel/code-frame@^7.8.3":
+  version "7.8.3"
+  resolved "https://registry.yarnpkg.com/@babel/code-frame/-/code-frame-7.8.3.tgz#33e25903d7481181534e12ec0a25f16b6fcf419e"
+  integrity sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==
   dependencies:
-    "@babel/highlight" "^7.0.0"
+    "@babel/highlight" "^7.8.3"
 
 "@babel/core@^7.1.0", "@babel/core@^7.5.5":
-  version "7.5.5"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.5.5.tgz#17b2686ef0d6bc58f963dddd68ab669755582c30"
-  integrity sha512-i4qoSr2KTtce0DmkuuQBV4AuQgGPUcPXMr9L5MyYAtk06z068lQ10a4O009fe5OB/DfNV+h+qqT7ddNV8UnRjg==
-  dependencies:
-    "@babel/code-frame" "^7.5.5"
-    "@babel/generator" "^7.5.5"
-    "@babel/helpers" "^7.5.5"
-    "@babel/parser" "^7.5.5"
-    "@babel/template" "^7.4.4"
-    "@babel/traverse" "^7.5.5"
-    "@babel/types" "^7.5.5"
-    convert-source-map "^1.1.0"
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.8.7.tgz#b69017d221ccdeb203145ae9da269d72cf102f3b"
+  integrity sha512-rBlqF3Yko9cynC5CCFy6+K/w2N+Sq/ff2BPy+Krp7rHlABIr5epbA7OxVeKoMHB39LZOp1UY5SuLjy6uWi35yA==
+  dependencies:
+    "@babel/code-frame" "^7.8.3"
+    "@babel/generator" "^7.8.7"
+    "@babel/helpers" "^7.8.4"
+    "@babel/parser" "^7.8.7"
+    "@babel/template" "^7.8.6"
+    "@babel/traverse" "^7.8.6"
+    "@babel/types" "^7.8.7"
+    convert-source-map "^1.7.0"
     debug "^4.1.0"
+    gensync "^1.0.0-beta.1"
     json5 "^2.1.0"
     lodash "^4.17.13"
     resolve "^1.3.2"
     semver "^5.4.1"
     source-map "^0.5.0"
 
-"@babel/generator@^7.4.0", "@babel/generator@^7.5.5":
-  version "7.5.5"
-  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.5.5.tgz#873a7f936a3c89491b43536d12245b626664e3cf"
-  integrity sha512-ETI/4vyTSxTzGnU2c49XHv2zhExkv9JHLTwDAFz85kmcwuShvYG2H08FwgIguQf4JC75CBnXAUM5PqeF4fj0nQ==
+"@babel/generator@^7.4.0", "@babel/generator@^7.8.6", "@babel/generator@^7.8.7":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.8.7.tgz#870b3cf7984f5297998152af625c4f3e341400f7"
+  integrity sha512-DQwjiKJqH4C3qGiyQCAExJHoZssn49JTMJgZ8SANGgVFdkupcUhLOdkAeoC6kmHZCPfoDG5M0b6cFlSN5wW7Ew==
   dependencies:
-    "@babel/types" "^7.5.5"
+    "@babel/types" "^7.8.7"
     jsesc "^2.5.1"
     lodash "^4.17.13"
     source-map "^0.5.0"
-    trim-right "^1.0.1"
 
 "@babel/helper-annotate-as-pure@^7.0.0":
   version "7.0.0"
@@ -107,6 +107,15 @@
     "@babel/template" "^7.1.0"
     "@babel/types" "^7.0.0"
 
+"@babel/helper-function-name@^7.8.3":
+  version "7.8.3"
+  resolved "https://registry.yarnpkg.com/@babel/helper-function-name/-/helper-function-name-7.8.3.tgz#eeeb665a01b1f11068e9fb86ad56a1cb1a824cca"
+  integrity sha512-BCxgX1BC2hD/oBlIFUgOCQDOPV8nSINxCwM3o93xP4P9Fq6aV5sgv2cOOITDMtCfQ+3PvHp3l689XZvAM9QyOA==
+  dependencies:
+    "@babel/helper-get-function-arity" "^7.8.3"
+    "@babel/template" "^7.8.3"
+    "@babel/types" "^7.8.3"
+
 "@babel/helper-get-function-arity@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.0.0.tgz#83572d4320e2a4657263734113c42868b64e49c3"
@@ -114,6 +123,13 @@
   dependencies:
     "@babel/types" "^7.0.0"
 
+"@babel/helper-get-function-arity@^7.8.3":
+  version "7.8.3"
+  resolved "https://registry.yarnpkg.com/@babel/helper-get-function-arity/-/helper-get-function-arity-7.8.3.tgz#b894b947bd004381ce63ea1db9f08547e920abd5"
+  integrity sha512-FVDR+Gd9iLjUMY1fzE2SR0IuaJToR4RkCDARVfsBBPSP53GEqSFjD8gNyxg246VUyc/ALRxFaAK8rVG7UT7xRA==
+  dependencies:
+    "@babel/types" "^7.8.3"
+
 "@babel/helper-hoist-variables@^7.4.4":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/helper-hoist-variables/-/helper-hoist-variables-7.4.4.tgz#0298b5f25c8c09c53102d52ac4a98f773eb2850a"
@@ -202,6 +218,13 @@
   dependencies:
     "@babel/types" "^7.4.4"
 
+"@babel/helper-split-export-declaration@^7.8.3":
+  version "7.8.3"
+  resolved "https://registry.yarnpkg.com/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.8.3.tgz#31a9f30070f91368a7182cf05f831781065fc7a9"
+  integrity sha512-3x3yOeyBhW851hroze7ElzdkeRXQYQbFIb7gLK1WQYsw2GWDay5gAJNw1sWJ0VFP6z5J1whqeXH/WCdCjZv6dA==
+  dependencies:
+    "@babel/types" "^7.8.3"
+
 "@babel/helper-wrap-function@^7.1.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-wrap-function/-/helper-wrap-function-7.2.0.tgz#c4e0012445769e2815b55296ead43a958549f6fa"
@@ -212,28 +235,28 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.2.0"
 
-"@babel/helpers@^7.5.5":
-  version "7.5.5"
-  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.5.5.tgz#63908d2a73942229d1e6685bc2a0e730dde3b75e"
-  integrity sha512-nRq2BUhxZFnfEn/ciJuhklHvFOqjJUD5wpx+1bxUF2axL9C+v4DE/dmp5sT2dKnpOs4orZWzpAZqlCy8QqE/7g==
+"@babel/helpers@^7.8.4":
+  version "7.8.4"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.8.4.tgz#754eb3ee727c165e0a240d6c207de7c455f36f73"
+  integrity sha512-VPbe7wcQ4chu4TDQjimHv/5tj73qz88o12EPkO2ValS2QiQS/1F2SsjyIGNnAD0vF/nZS6Cf9i+vW6HIlnaR8w==
   dependencies:
-    "@babel/template" "^7.4.4"
-    "@babel/traverse" "^7.5.5"
-    "@babel/types" "^7.5.5"
+    "@babel/template" "^7.8.3"
+    "@babel/traverse" "^7.8.4"
+    "@babel/types" "^7.8.3"
 
-"@babel/highlight@^7.0.0":
-  version "7.5.0"
-  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.5.0.tgz#56d11312bd9248fa619591d02472be6e8cb32540"
-  integrity sha512-7dV4eu9gBxoM0dAnj/BCFDW9LFU0zvTrkq0ugM7pnHEgguOEeOz1so2ZghEdzviYzQEED0r4EAgpsBChKy1TRQ==
+"@babel/highlight@^7.8.3":
+  version "7.8.3"
+  resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.8.3.tgz#28f173d04223eaaa59bc1d439a3836e6d1265797"
+  integrity sha512-PX4y5xQUvy0fnEVHrYOarRPXVWafSjTW9T0Hab8gVIawpl2Sj0ORyrygANq+KjcNlSSTw0YCLSNA8OyZ1I4yEg==
   dependencies:
     chalk "^2.0.0"
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
-"@babel/parser@^7.1.0", "@babel/parser@^7.4.3", "@babel/parser@^7.4.4", "@babel/parser@^7.5.5":
-  version "7.5.5"
-  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.5.5.tgz#02f077ac8817d3df4a832ef59de67565e71cca4b"
-  integrity sha512-E5BN68cqR7dhKan1SfqgPGhQ178bkVKpXTPEXnFJBrEt8/DKRZlybmy+IgYLTeN7tp1R5Ccmbm2rBk17sHYU3g==
+"@babel/parser@^7.1.0", "@babel/parser@^7.4.3", "@babel/parser@^7.8.6", "@babel/parser@^7.8.7":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.8.7.tgz#7b8facf95d25fef9534aad51c4ffecde1a61e26a"
+  integrity sha512-9JWls8WilDXFGxs0phaXAZgpxTZhSk/yOYH2hTHC0X1yC7Z78IJfvR1vJ+rmJKq3I35td2XzXzN6ZLYlna+r/A==
 
 "@babel/plugin-proposal-async-generator-functions@^7.2.0":
   version "7.2.0"
@@ -630,34 +653,34 @@
     js-levenshtein "^1.1.3"
     semver "^5.5.0"
 
-"@babel/template@^7.1.0", "@babel/template@^7.4.0", "@babel/template@^7.4.4":
-  version "7.4.4"
-  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.4.4.tgz#f4b88d1225689a08f5bc3a17483545be9e4ed237"
-  integrity sha512-CiGzLN9KgAvgZsnivND7rkA+AeJ9JB0ciPOD4U59GKbQP2iQl+olF1l76kJOupqidozfZ32ghwBEJDhnk9MEcw==
-  dependencies:
-    "@babel/code-frame" "^7.0.0"
-    "@babel/parser" "^7.4.4"
-    "@babel/types" "^7.4.4"
-
-"@babel/traverse@^7.1.0", "@babel/traverse@^7.4.3", "@babel/traverse@^7.4.4", "@babel/traverse@^7.5.5":
-  version "7.5.5"
-  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.5.5.tgz#f664f8f368ed32988cd648da9f72d5ca70f165bb"
-  integrity sha512-MqB0782whsfffYfSjH4TM+LMjrJnhCNEDMDIjeTpl+ASaUvxcjoiVCo/sM1GhS1pHOXYfWVCYneLjMckuUxDaQ==
-  dependencies:
-    "@babel/code-frame" "^7.5.5"
-    "@babel/generator" "^7.5.5"
-    "@babel/helper-function-name" "^7.1.0"
-    "@babel/helper-split-export-declaration" "^7.4.4"
-    "@babel/parser" "^7.5.5"
-    "@babel/types" "^7.5.5"
+"@babel/template@^7.1.0", "@babel/template@^7.4.0", "@babel/template@^7.4.4", "@babel/template@^7.8.3", "@babel/template@^7.8.6":
+  version "7.8.6"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.8.6.tgz#86b22af15f828dfb086474f964dcc3e39c43ce2b"
+  integrity sha512-zbMsPMy/v0PWFZEhQJ66bqjhH+z0JgMoBWuikXybgG3Gkd/3t5oQ1Rw2WQhnSrsOmsKXnZOx15tkC4qON/+JPg==
+  dependencies:
+    "@babel/code-frame" "^7.8.3"
+    "@babel/parser" "^7.8.6"
+    "@babel/types" "^7.8.6"
+
+"@babel/traverse@^7.1.0", "@babel/traverse@^7.4.3", "@babel/traverse@^7.4.4", "@babel/traverse@^7.5.5", "@babel/traverse@^7.8.4", "@babel/traverse@^7.8.6":
+  version "7.8.6"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.8.6.tgz#acfe0c64e1cd991b3e32eae813a6eb564954b5ff"
+  integrity sha512-2B8l0db/DPi8iinITKuo7cbPznLCEk0kCxDoB9/N6gGNg/gxOXiR/IcymAFPiBwk5w6TtQ27w4wpElgp9btR9A==
+  dependencies:
+    "@babel/code-frame" "^7.8.3"
+    "@babel/generator" "^7.8.6"
+    "@babel/helper-function-name" "^7.8.3"
+    "@babel/helper-split-export-declaration" "^7.8.3"
+    "@babel/parser" "^7.8.6"
+    "@babel/types" "^7.8.6"
     debug "^4.1.0"
     globals "^11.1.0"
     lodash "^4.17.13"
 
-"@babel/types@^7.0.0", "@babel/types@^7.2.0", "@babel/types@^7.3.0", "@babel/types@^7.4.0", "@babel/types@^7.4.4", "@babel/types@^7.5.5":
-  version "7.5.5"
-  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.5.5.tgz#97b9f728e182785909aa4ab56264f090a028d18a"
-  integrity sha512-s63F9nJioLqOlW3UkyMd+BYhXt44YuaFm/VV0VwuteqjYwRrObkU7ra9pY4wAJR3oXi8hJrMcrcJdO/HH33vtw==
+"@babel/types@^7.0.0", "@babel/types@^7.2.0", "@babel/types@^7.3.0", "@babel/types@^7.4.0", "@babel/types@^7.4.4", "@babel/types@^7.5.5", "@babel/types@^7.8.3", "@babel/types@^7.8.6", "@babel/types@^7.8.7":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.8.7.tgz#1fc9729e1acbb2337d5b6977a63979b4819f5d1d"
+  integrity sha512-k2TreEHxFA4CjGkL+GYjRyx35W0Mr7DP5+9q6WMkyKXB+904bYmG40syjMFV0oLlhhFCwWl0vA0DyzTDkwAiJw==
   dependencies:
     esutils "^2.0.2"
     lodash "^4.17.13"
@@ -1142,20 +1165,25 @@ binary-extensions@^1.0.0:
   resolved "https://registry.yarnpkg.com/binary-extensions/-/binary-extensions-1.13.1.tgz#598afe54755b2868a5330d2aff9d4ebb53209b65"
   integrity sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==
 
-bluebird@^3.4.3, bluebird@^3.5.5:
+bluebird@^3.5.5:
   version "3.5.5"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.5.tgz#a8d0afd73251effbbd5fe384a77d73003c17a71f"
   integrity sha512-5am6HnnfN+urzt4yfg7IgTbotDjIT/u8AJpEt0sIU9FtXfVeezXAPKswrG+xKUCOYAINpSdgZVDU6QFh+cuH3w==
 
-bookshelf@^0.15.1:
-  version "0.15.1"
-  resolved "https://registry.yarnpkg.com/bookshelf/-/bookshelf-0.15.1.tgz#ca545ad8189a6a3be8b25661ad462dbf667222e3"
-  integrity sha512-o+N88s6A1YW2L47gqOmZgoyLD7xBikHexlPdilD/t4c4YG7Pd8RHdicxQAh07PzaGQtMOwMloSBQQoRQVC++cg==
+bluebird@^3.7.2:
+  version "3.7.2"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.2.tgz#9f229c15be272454ffa973ace0dbee79a1b0c36f"
+  integrity sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==
+
+bookshelf@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/bookshelf/-/bookshelf-1.1.0.tgz#d456abd70ed4af4c9ae6f3d364424590ea31dcbf"
+  integrity sha512-a4rrDI5pnjnj7xFAT23FJQyVxlrrvRPGUNRNj1upuBC5al7ObvoelTZbmVl9bnj+BZE5x19Y07+p933fCsBHNQ==
   dependencies:
-    bluebird "^3.4.3"
+    bluebird "^3.7.2"
     create-error "~0.3.1"
-    inflection "^1.5.1"
-    lodash "^4.17.10"
+    inflection "^1.12.0"
+    lodash "^4.17.15"
 
 brace-expansion@^1.1.7:
   version "1.1.11"
@@ -1375,10 +1403,10 @@ console-control-strings@^1.0.0, console-control-strings@~1.1.0:
   resolved "https://registry.yarnpkg.com/console-control-strings/-/console-control-strings-1.1.0.tgz#3d7cf4464db6446ea644bf4b39507f9851008e8e"
   integrity sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=
 
-convert-source-map@^1.1.0, convert-source-map@^1.4.0:
-  version "1.6.0"
-  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.6.0.tgz#51b537a8c43e0f04dec1993bffcdd504e758ac20"
-  integrity sha512-eFu7XigvxdZ1ETfbgPBohgyQ/Z++C0eEhTor0qRwBw9unw+L0/6V8wkSuGgzdThkiS5lSpdptOQPD8Ak40a+7A==
+convert-source-map@^1.1.0, convert-source-map@^1.4.0, convert-source-map@^1.7.0:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.7.0.tgz#17a2cb882d7f77d3490585e2ce6c524424a3a442"
+  integrity sha512-4FJkXzKXEDB1snCFZlLP4gpC3JILicCpGbzG9f9G7tGqGCzETQ2hWPrcinA9oU4wtf2biUaEH5065UnMeR33oA==
   dependencies:
     safe-buffer "~5.1.1"
 
@@ -1882,6 +1910,11 @@ gauge@~2.7.3:
     strip-ansi "^3.0.1"
     wide-align "^1.1.0"
 
+gensync@^1.0.0-beta.1:
+  version "1.0.0-beta.1"
+  resolved "https://registry.yarnpkg.com/gensync/-/gensync-1.0.0-beta.1.tgz#58f4361ff987e5ff6e1e7a210827aa371eaac269"
+  integrity sha512-r8EC6NO1sngH/zdD9fiRDLdcgnbayXah+mLgManTaIZJqEC1MZstmnox8KpnI2/fxQwrp5OpCOYWLp4rBl4Jcg==
+
 get-caller-file@^2.0.1:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-2.0.5.tgz#4f94412a82db32f36e3b0b9741f8a97feb031f7e"
@@ -2112,7 +2145,7 @@ imurmurhash@^0.1.4:
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
   integrity sha1-khi5srkoojixPcT7a21XbyMUU+o=
 
-inflection@^1.5.1:
+inflection@^1.12.0:
   version "1.12.0"
   resolved "https://registry.yarnpkg.com/inflection/-/inflection-1.12.0.tgz#a200935656d6f5f6bc4dc7502e1aecb703228416"
   integrity sha1-ogCTVlbW9fa8TcdQLhrstwMihBY=
@@ -2972,7 +3005,7 @@ lodash.sortby@^4.7.0:
   resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
   integrity sha1-7dFMgk4sycHgsKG0K7UhBRakJDg=
 
-lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.15:
+lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.15:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
   integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
@@ -4322,11 +4355,6 @@ tr46@^1.0.1:
   dependencies:
     punycode "^2.1.0"
 
-trim-right@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
-  integrity sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=
-
 tunnel-agent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/tunnel-agent/-/tunnel-agent-0.6.0.tgz#27a5dea06b36b04a0a9966774b290868f0fc40fd"