diff --git a/yarn.lock b/yarn.lock
index cb69bc8..dbb914f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -243,6 +243,10 @@
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/@sindresorhus/is/-/is-0.7.0.tgz#9a06f4f137ee84d7df0460c1fdb1135ffa6c50fd"
 
+"@tootallnate/once@1":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@tootallnate/once/-/once-1.1.2.tgz#ccb91445360179a04e7fe6aff78c00ffc1eeaf82"
+
 "@types/estree@0.0.39":
   version "0.0.39"
   resolved "https://registry.yarnpkg.com/@types/estree/-/estree-0.0.39.tgz#e177e699ee1b8c22d23174caaa7422644389509f"
@@ -292,6 +296,16 @@ agent-base@4, agent-base@^4.1.0, agent-base@^4.2.0:
   dependencies:
     es6-promisify "^5.0.0"
 
+agent-base@5:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-5.1.1.tgz#e8fb3f242959db44d63be665db7a8e739537a32c"
+
+agent-base@6:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-6.0.1.tgz#808007e4e5867decb0ab6ab2f928fbdb5a596db4"
+  dependencies:
+    debug "4"
+
 aggregate-error@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/aggregate-error/-/aggregate-error-1.0.0.tgz#888344dad0220a72e3af50906117f48771925fac"
@@ -1443,11 +1457,13 @@ code-point-at@^1.0.0:
   resolved "https://registry.yarnpkg.com/code-point-at/-/code-point-at-1.1.0.tgz#0d070b4d043a5bea33a2f1a40e2edb3d9a4ccf77"
 
 codecov@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/codecov/-/codecov-3.0.2.tgz#aea43843a5cd2fb6b7e488b2eff25d367ab70b12"
+  version "3.7.1"
+  resolved "https://registry.yarnpkg.com/codecov/-/codecov-3.7.1.tgz#434cb8d55f18ef01672e5739d3d266696bebc202"
   dependencies:
     argv "0.0.2"
-    request "^2.81.0"
+    ignore-walk "3.0.3"
+    js-yaml "3.13.1"
+    teeny-request "6.0.1"
     urlgrey "0.4.4"
 
 collection-visit@^1.0.0:
@@ -1731,6 +1747,12 @@ debug@3.1.0, debug@^3.1.0:
   dependencies:
     ms "2.0.0"
 
+debug@4:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
+  dependencies:
+    ms "^2.1.1"
+
 decamelize-keys@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/decamelize-keys/-/decamelize-keys-1.1.0.tgz#d171a87933252807eb3cb61dc1c1445d078df2d9"
@@ -2905,6 +2927,14 @@ http-proxy-agent@^2.1.0:
     agent-base "4"
     debug "3.1.0"
 
+http-proxy-agent@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/http-proxy-agent/-/http-proxy-agent-4.0.1.tgz#8a8c8ef7f5932ccf953c296ca8291b95aa74aa3a"
+  dependencies:
+    "@tootallnate/once" "1"
+    agent-base "6"
+    debug "4"
+
 http-signature@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/http-signature/-/http-signature-1.2.0.tgz#9aecd925114772f3d95b65a60abb8f7c18fbace1"
@@ -2920,6 +2950,13 @@ https-proxy-agent@^2.2.0, https-proxy-agent@^2.2.1:
     agent-base "^4.1.0"
     debug "^3.1.0"
 
+https-proxy-agent@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-4.0.0.tgz#702b71fb5520a132a66de1f67541d9e62154d82b"
+  dependencies:
+    agent-base "5"
+    debug "4"
+
 husky@^0.14.3:
   version "0.14.3"
   resolved "https://registry.yarnpkg.com/husky/-/husky-0.14.3.tgz#c69ed74e2d2779769a17ba8399b54ce0b63c12c3"
@@ -2942,9 +2979,9 @@ iconv-lite@0.4.23, iconv-lite@^0.4.17, iconv-lite@^0.4.4:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
-ignore-walk@^3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.1.tgz#a83e62e7d272ac0e3b551aaa82831a19b69f82f8"
+ignore-walk@3.0.3, ignore-walk@^3.0.1:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/ignore-walk/-/ignore-walk-3.0.3.tgz#017e2447184bfeade7c238e4aefdd1e8f95b1e37"
   dependencies:
     minimatch "^3.0.4"
 
@@ -3854,16 +3891,9 @@ js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
-js-yaml@^3.11.0:
-  version "3.12.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.12.0.tgz#eaed656ec8344f10f527c6bfa1b6e2244de167d1"
-  dependencies:
-    argparse "^1.0.7"
-    esprima "^4.0.0"
-
-js-yaml@^3.5.3, js-yaml@^3.7.0, js-yaml@^3.9.0:
-  version "3.11.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.11.0.tgz#597c1a8bd57152f26d622ce4117851a51f5ebaef"
+js-yaml@3.13.1, js-yaml@^3.11.0, js-yaml@^3.5.3, js-yaml@^3.7.0, js-yaml@^3.9.0:
+  version "3.13.1"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
   dependencies:
     argparse "^1.0.7"
     esprima "^4.0.0"
@@ -4568,6 +4598,10 @@ ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
+ms@^2.1.1:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+
 mute-stream@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
@@ -4640,6 +4674,10 @@ node-fetch@^2.1.1, node-fetch@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.1.2.tgz#ab884e8e7e57e38a944753cec706f788d1768bb5"
 
+node-fetch@^2.2.0:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.0.tgz#e633456386d4aa55863f676a7ab0daa8fdecb0fd"
+
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
@@ -4804,7 +4842,7 @@ once@^1.3.0, once@^1.4.0:
 
 onetime@^1.0.0:
   version "1.1.0"
-  resolved "http://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
+  resolved "https://registry.npmjs.org/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
 
 onetime@^2.0.0:
   version "2.0.1"
@@ -5502,7 +5540,7 @@ request-promise-native@^1.0.5:
     stealthy-require "^1.1.0"
     tough-cookie ">=2.3.3"
 
-request@^2.81.0, request@^2.83.0:
+request@^2.83.0:
   version "2.86.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.86.0.tgz#2b9497f449b0a32654c081a5cf426bbfb5bf5b69"
   dependencies:
@@ -6211,6 +6249,12 @@ stream-combiner2@~1.1.1:
     duplexer2 "~0.1.0"
     readable-stream "^2.0.2"
 
+stream-events@^1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/stream-events/-/stream-events-1.0.5.tgz#bbc898ec4df33a4902d892333d47da9bf1c406d5"
+  dependencies:
+    stubs "^3.0.0"
+
 stream-to-observable@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/stream-to-observable/-/stream-to-observable-0.2.0.tgz#59d6ea393d87c2c0ddac10aa0d561bc6ba6f0e10"
@@ -6309,6 +6353,10 @@ strip-json-comments@^2.0.1, strip-json-comments@~2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
 
+stubs@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/stubs/-/stubs-3.0.0.tgz#e8d2ba1fa9c90570303c030b6900f7d5f89abe5b"
+
 supports-color@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
@@ -6367,6 +6415,16 @@ tar@^4:
     safe-buffer "^5.1.2"
     yallist "^3.0.2"
 
+teeny-request@6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/teeny-request/-/teeny-request-6.0.1.tgz#9b1f512cef152945827ba7e34f62523a4ce2c5b0"
+  dependencies:
+    http-proxy-agent "^4.0.0"
+    https-proxy-agent "^4.0.0"
+    node-fetch "^2.2.0"
+    stream-events "^1.0.5"
+    uuid "^3.3.2"
+
 temp-dir@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/temp-dir/-/temp-dir-1.0.0.tgz#0a7c0ea26d3a39afa7e0ebea9c1fc0bc4daa011d"
@@ -6672,6 +6730,10 @@ uuid@^3.0.1, uuid@^3.1.0, uuid@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.2.1.tgz#12c528bb9d58d0b9265d9a2f6f0fe8be17ff1f14"
 
+uuid@^3.3.2:
+  version "3.4.0"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.4.0.tgz#b23e4358afa8a202fe7a100af1f5f883f02007ee"
+
 validate-npm-package-license@^3.0.1:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.3.tgz#81643bcbef1bdfecd4623793dc4648948ba98338"