diff --git a/package.json b/package.json
index 9842afefb55922eea5913ec668b43fe11308a7a0..ff66fa82151c433f678761b4c1f1f93d38be87e1 100644
--- a/package.json
+++ b/package.json
@@ -152,13 +152,13 @@
     "yawn-yaml": "1.4.0"
   },
   "devDependencies": {
-    "@babel/cli": "7.4.4",
-    "@babel/core": "7.4.5",
-    "@babel/node": "7.4.5",
-    "@babel/plugin-proposal-class-properties": "7.4.4",
-    "@babel/plugin-proposal-object-rest-spread": "7.4.4",
+    "@babel/cli": "7.5.0",
+    "@babel/core": "7.5.4",
+    "@babel/node": "7.5.0",
+    "@babel/plugin-proposal-class-properties": "7.5.0",
+    "@babel/plugin-proposal-object-rest-spread": "7.5.4",
     "@babel/plugin-syntax-dynamic-import": "7.2.0",
-    "@babel/preset-env": "7.4.5",
+    "@babel/preset-env": "7.5.4",
     "@babel/preset-typescript": "7.3.3",
     "@types/bunyan": "1.8.6",
     "@types/convert-hrtime": "2.0.0",
diff --git a/yarn.lock b/yarn.lock
index 7edde7656d358b57e040cf1614d09d56557a711a..bb5034df4cb5ccce507e74240df7612d28893df7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,10 +2,10 @@
 # yarn lockfile v1
 
 
-"@babel/cli@7.4.4":
-  version "7.4.4"
-  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.4.4.tgz#5454bb7112f29026a4069d8e6f0e1794e651966c"
-  integrity sha512-XGr5YjQSjgTa6OzQZY57FAJsdeVSAKR/u/KA5exWIz66IKtv/zXtHy+fIZcMry/EgYegwuHE7vzGnrFhjdIAsQ==
+"@babel/cli@7.5.0":
+  version "7.5.0"
+  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.5.0.tgz#f403c930692e28ecfa3bf02a9e7562b474f38271"
+  integrity sha512-qNH55fWbKrEsCwID+Qc/3JDPnsSGpIIiMDbppnR8Z6PxLAqMQCFNqBctkIkBrMH49Nx+qqVTrHRWUR+ho2k+qQ==
   dependencies:
     commander "^2.8.1"
     convert-source-map "^1.1.0"
@@ -26,27 +26,7 @@
   dependencies:
     "@babel/highlight" "^7.0.0"
 
-"@babel/core@7.4.5":
-  version "7.4.5"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.4.5.tgz#081f97e8ffca65a9b4b0fdc7e274e703f000c06a"
-  integrity sha512-OvjIh6aqXtlsA8ujtGKfC7LYWksYSX8yQcM8Ay3LuvVeQ63lcOKgoZWVqcpFwkd29aYU9rVx7jxhfhiEDV9MZA==
-  dependencies:
-    "@babel/code-frame" "^7.0.0"
-    "@babel/generator" "^7.4.4"
-    "@babel/helpers" "^7.4.4"
-    "@babel/parser" "^7.4.5"
-    "@babel/template" "^7.4.4"
-    "@babel/traverse" "^7.4.5"
-    "@babel/types" "^7.4.4"
-    convert-source-map "^1.1.0"
-    debug "^4.1.0"
-    json5 "^2.1.0"
-    lodash "^4.17.11"
-    resolve "^1.3.2"
-    semver "^5.4.1"
-    source-map "^0.5.0"
-
-"@babel/core@^7.1.0":
+"@babel/core@7.5.4", "@babel/core@^7.1.0":
   version "7.5.4"
   resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.5.4.tgz#4c32df7ad5a58e9ea27ad025c11276324e0b4ddd"
   integrity sha512-+DaeBEpYq6b2+ZmHx3tHspC+ZRflrvLqwfv8E3hNr5LVQoyBnL8RPKSBCg+rK2W2My9PWlujBiqd0ZPsR9Q6zQ==
@@ -66,7 +46,7 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
-"@babel/generator@^7.4.0", "@babel/generator@^7.4.4", "@babel/generator@^7.5.0":
+"@babel/generator@^7.4.0", "@babel/generator@^7.5.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.5.0.tgz#f20e4b7a91750ee8b63656073d843d2a736dca4a"
   integrity sha512-1TTVrt7J9rcG5PMjvO7VEG3FrEoEJNHxumRq66GemPmzboLWtIjjcJgk8rokuAS7IiRSpgVSu5Vb9lc99iJkOA==
@@ -101,7 +81,7 @@
     "@babel/traverse" "^7.4.4"
     "@babel/types" "^7.4.4"
 
-"@babel/helper-create-class-features-plugin@^7.4.4", "@babel/helper-create-class-features-plugin@^7.5.0":
+"@babel/helper-create-class-features-plugin@^7.5.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-create-class-features-plugin/-/helper-create-class-features-plugin-7.5.0.tgz#02edb97f512d44ba23b3227f1bf2ed43454edac5"
   integrity sha512-EAoMc3hE5vE5LNhMqDOwB1usHvmRjCDAnH8CD4PVkX9/Yr3W/tcz8xE8QvdZxfsFBDICwZnF2UTHIqslRpvxmA==
@@ -244,7 +224,7 @@
     "@babel/traverse" "^7.1.0"
     "@babel/types" "^7.2.0"
 
-"@babel/helpers@^7.4.4", "@babel/helpers@^7.5.4":
+"@babel/helpers@^7.5.4":
   version "7.5.4"
   resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.5.4.tgz#2f00608aa10d460bde0ccf665d6dcf8477357cf0"
   integrity sha512-6LJ6xwUEJP51w0sIgKyfvFMJvIb9mWAfohJp0+m6eHJigkFdcH8duZ1sfhn0ltJRzwUIT/yqqhdSfRpCpL7oow==
@@ -262,10 +242,10 @@
     esutils "^2.0.2"
     js-tokens "^4.0.0"
 
-"@babel/node@7.4.5":
-  version "7.4.5"
-  resolved "https://registry.yarnpkg.com/@babel/node/-/node-7.4.5.tgz#bce71bb44d902bfdd4da0b9c839a8a90fc084056"
-  integrity sha512-nDXPT0KwYMycDHhFG9wKlkipCR+iXzzoX9bD2aF2UABLhQ13AKhNi5Y61W8ASGPPll/7p9GrHesmlOgTUJVcfw==
+"@babel/node@7.5.0":
+  version "7.5.0"
+  resolved "https://registry.yarnpkg.com/@babel/node/-/node-7.5.0.tgz#bcc5a286317ad771703889fb658e1f768c0a2a2e"
+  integrity sha512-VBlCrbJp7HDrKt4HRbtfq4Rs/XjBokvkfxXRQs4qA1C6eV3JycSOMELx4BFTPFRd9QnNA4PsIRfnvJqe/3tHow==
   dependencies:
     "@babel/polyfill" "^7.0.0"
     "@babel/register" "^7.0.0"
@@ -274,7 +254,7 @@
     node-environment-flags "^1.0.5"
     v8flags "^3.1.1"
 
-"@babel/parser@^7.1.0", "@babel/parser@^7.4.3", "@babel/parser@^7.4.4", "@babel/parser@^7.4.5", "@babel/parser@^7.5.0":
+"@babel/parser@^7.1.0", "@babel/parser@^7.4.3", "@babel/parser@^7.4.4", "@babel/parser@^7.5.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.5.0.tgz#3e0713dff89ad6ae37faec3b29dcfc5c979770b7"
   integrity sha512-I5nW8AhGpOXGCCNYGc+p7ExQIBxRFnS2fd/d862bNOKvmoEPjYPcfIjsfdy0ujagYOIYPczKgD9l3FsgTkAzKA==
@@ -288,13 +268,21 @@
     "@babel/helper-remap-async-to-generator" "^7.1.0"
     "@babel/plugin-syntax-async-generators" "^7.2.0"
 
-"@babel/plugin-proposal-class-properties@7.4.4":
-  version "7.4.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.4.4.tgz#93a6486eed86d53452ab9bab35e368e9461198ce"
-  integrity sha512-WjKTI8g8d5w1Bc9zgwSz2nfrsNQsXcCf9J9cdCvrJV6RF56yztwm4TmJC0MgJ9tvwO9gUA/mcYe89bLdGfiXFg==
+"@babel/plugin-proposal-class-properties@7.5.0":
+  version "7.5.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-class-properties/-/plugin-proposal-class-properties-7.5.0.tgz#5bc6a0537d286fcb4fd4e89975adbca334987007"
+  integrity sha512-9L/JfPCT+kShiiTTzcnBJ8cOwdKVmlC1RcCf9F0F9tERVrM4iWtWnXtjWCRqNm2la2BxO1MPArWNsU9zsSJWSQ==
+  dependencies:
+    "@babel/helper-create-class-features-plugin" "^7.5.0"
+    "@babel/helper-plugin-utils" "^7.0.0"
+
+"@babel/plugin-proposal-dynamic-import@^7.5.0":
+  version "7.5.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-dynamic-import/-/plugin-proposal-dynamic-import-7.5.0.tgz#e532202db4838723691b10a67b8ce509e397c506"
+  integrity sha512-x/iMjggsKTFHYC6g11PL7Qy58IK8H5zqfm9e6hu4z1iH2IRyAp9u9dL80zA6R76yFovETFLKz2VJIC2iIPBuFw==
   dependencies:
-    "@babel/helper-create-class-features-plugin" "^7.4.4"
     "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/plugin-syntax-dynamic-import" "^7.2.0"
 
 "@babel/plugin-proposal-json-strings@^7.2.0":
   version "7.2.0"
@@ -304,15 +292,7 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-syntax-json-strings" "^7.2.0"
 
-"@babel/plugin-proposal-object-rest-spread@7.4.4":
-  version "7.4.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.4.4.tgz#1ef173fcf24b3e2df92a678f027673b55e7e3005"
-  integrity sha512-dMBG6cSPBbHeEBdFXeQ2QLc5gUpg4Vkaz8octD4aoW/ISO+jBOcsuxYL7bsb5WSu8RLP6boxrBIALEHgoHtO9g==
-  dependencies:
-    "@babel/helper-plugin-utils" "^7.0.0"
-    "@babel/plugin-syntax-object-rest-spread" "^7.2.0"
-
-"@babel/plugin-proposal-object-rest-spread@^7.4.4":
+"@babel/plugin-proposal-object-rest-spread@7.5.4", "@babel/plugin-proposal-object-rest-spread@^7.5.4":
   version "7.5.4"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.5.4.tgz#250de35d867ce8260a31b1fdac6c4fc1baa99331"
   integrity sha512-KCx0z3y7y8ipZUMAEEJOyNi11lMb/FOPUjjB113tfowgw0c16EGYos7worCKBcUAh2oG+OBnoUhsnTSoLpV9uA==
@@ -344,7 +324,7 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-syntax-dynamic-import@7.2.0":
+"@babel/plugin-syntax-dynamic-import@7.2.0", "@babel/plugin-syntax-dynamic-import@^7.2.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-dynamic-import/-/plugin-syntax-dynamic-import-7.2.0.tgz#69c159ffaf4998122161ad8ebc5e6d1f55df8612"
   integrity sha512-mVxuJ0YroI/h/tbFTPGZR8cv6ai+STMKNBq0f8hFxsxWjl94qqhsb+wXbpNMDPU3cfR1TIsVFzU3nXyZMqyK4w==
@@ -386,7 +366,7 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-async-to-generator@^7.4.4":
+"@babel/plugin-transform-async-to-generator@^7.5.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-async-to-generator/-/plugin-transform-async-to-generator-7.5.0.tgz#89a3848a0166623b5bc481164b5936ab947e887e"
   integrity sha512-mqvkzwIGkq0bEF1zLRRiTdjfomZJDV33AH3oQzHVGkI2VzEmXLpKKOBvEVaFZBJdN0XTyH38s9j/Kiqr68dggg==
@@ -431,7 +411,7 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-destructuring@^7.4.4":
+"@babel/plugin-transform-destructuring@^7.5.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-destructuring/-/plugin-transform-destructuring-7.5.0.tgz#f6c09fdfe3f94516ff074fe877db7bc9ef05855a"
   integrity sha512-YbYgbd3TryYYLGyC7ZR+Tq8H/+bCmwoaxHfJHupom5ECstzbRLTch6gOQbhEY9Z4hiCNHEURgq06ykFv9JZ/QQ==
@@ -447,7 +427,7 @@
     "@babel/helper-regex" "^7.4.4"
     regexpu-core "^4.5.4"
 
-"@babel/plugin-transform-duplicate-keys@^7.2.0":
+"@babel/plugin-transform-duplicate-keys@^7.5.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-duplicate-keys/-/plugin-transform-duplicate-keys-7.5.0.tgz#c5dbf5106bf84cdf691222c0974c12b1df931853"
   integrity sha512-igcziksHizyQPlX9gfSjHkE2wmoCH3evvD2qR5w29/Dk0SMKE/eOI7f1HhBdNhR/zxJDqrgpoDTq5YSLH/XMsQ==
@@ -491,7 +471,7 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-transform-modules-amd@^7.2.0":
+"@babel/plugin-transform-modules-amd@^7.5.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-amd/-/plugin-transform-modules-amd-7.5.0.tgz#ef00435d46da0a5961aa728a1d2ecff063e4fb91"
   integrity sha512-n20UsQMKnWrltocZZm24cRURxQnWIvsABPJlw/fvoy9c6AgHZzoelAIzajDHAQrDpuKFFPPcFGd7ChsYuIUMpg==
@@ -500,7 +480,7 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     babel-plugin-dynamic-import-node "^2.3.0"
 
-"@babel/plugin-transform-modules-commonjs@^7.4.4":
+"@babel/plugin-transform-modules-commonjs@^7.5.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-commonjs/-/plugin-transform-modules-commonjs-7.5.0.tgz#425127e6045231360858eeaa47a71d75eded7a74"
   integrity sha512-xmHq0B+ytyrWJvQTc5OWAC4ii6Dhr0s22STOoydokG51JjWhyYo5mRPXoi+ZmtHQhZZwuXNN+GG5jy5UZZJxIQ==
@@ -510,7 +490,7 @@
     "@babel/helper-simple-access" "^7.1.0"
     babel-plugin-dynamic-import-node "^2.3.0"
 
-"@babel/plugin-transform-modules-systemjs@^7.4.4":
+"@babel/plugin-transform-modules-systemjs@^7.5.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-systemjs/-/plugin-transform-modules-systemjs-7.5.0.tgz#e75266a13ef94202db2a0620977756f51d52d249"
   integrity sha512-Q2m56tyoQWmuNGxEtUyeEkm6qJYFqs4c+XyXH5RAuYxObRNz9Zgj/1g2GMnjYp2EUyEy7YTrxliGCXzecl/vJg==
@@ -642,39 +622,41 @@
     core-js "^2.6.5"
     regenerator-runtime "^0.13.2"
 
-"@babel/preset-env@7.4.5":
-  version "7.4.5"
-  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.4.5.tgz#2fad7f62983d5af563b5f3139242755884998a58"
-  integrity sha512-f2yNVXM+FsR5V8UwcFeIHzHWgnhXg3NpRmy0ADvALpnhB0SLbCvrCRr4BLOUYbQNLS+Z0Yer46x9dJXpXewI7w==
+"@babel/preset-env@7.5.4":
+  version "7.5.4"
+  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.5.4.tgz#64bc15041a3cbb0798930319917e70fcca57713d"
+  integrity sha512-hFnFnouyRNiH1rL8YkX1ANCNAUVC8Djwdqfev8i1415tnAG+7hlA5zhZ0Q/3Q5gkop4HioIPbCEWAalqcbxRoQ==
   dependencies:
     "@babel/helper-module-imports" "^7.0.0"
     "@babel/helper-plugin-utils" "^7.0.0"
     "@babel/plugin-proposal-async-generator-functions" "^7.2.0"
+    "@babel/plugin-proposal-dynamic-import" "^7.5.0"
     "@babel/plugin-proposal-json-strings" "^7.2.0"
-    "@babel/plugin-proposal-object-rest-spread" "^7.4.4"
+    "@babel/plugin-proposal-object-rest-spread" "^7.5.4"
     "@babel/plugin-proposal-optional-catch-binding" "^7.2.0"
     "@babel/plugin-proposal-unicode-property-regex" "^7.4.4"
     "@babel/plugin-syntax-async-generators" "^7.2.0"
+    "@babel/plugin-syntax-dynamic-import" "^7.2.0"
     "@babel/plugin-syntax-json-strings" "^7.2.0"
     "@babel/plugin-syntax-object-rest-spread" "^7.2.0"
     "@babel/plugin-syntax-optional-catch-binding" "^7.2.0"
     "@babel/plugin-transform-arrow-functions" "^7.2.0"
-    "@babel/plugin-transform-async-to-generator" "^7.4.4"
+    "@babel/plugin-transform-async-to-generator" "^7.5.0"
     "@babel/plugin-transform-block-scoped-functions" "^7.2.0"
     "@babel/plugin-transform-block-scoping" "^7.4.4"
     "@babel/plugin-transform-classes" "^7.4.4"
     "@babel/plugin-transform-computed-properties" "^7.2.0"
-    "@babel/plugin-transform-destructuring" "^7.4.4"
+    "@babel/plugin-transform-destructuring" "^7.5.0"
     "@babel/plugin-transform-dotall-regex" "^7.4.4"
-    "@babel/plugin-transform-duplicate-keys" "^7.2.0"
+    "@babel/plugin-transform-duplicate-keys" "^7.5.0"
     "@babel/plugin-transform-exponentiation-operator" "^7.2.0"
     "@babel/plugin-transform-for-of" "^7.4.4"
     "@babel/plugin-transform-function-name" "^7.4.4"
     "@babel/plugin-transform-literals" "^7.2.0"
     "@babel/plugin-transform-member-expression-literals" "^7.2.0"
-    "@babel/plugin-transform-modules-amd" "^7.2.0"
-    "@babel/plugin-transform-modules-commonjs" "^7.4.4"
-    "@babel/plugin-transform-modules-systemjs" "^7.4.4"
+    "@babel/plugin-transform-modules-amd" "^7.5.0"
+    "@babel/plugin-transform-modules-commonjs" "^7.5.0"
+    "@babel/plugin-transform-modules-systemjs" "^7.5.0"
     "@babel/plugin-transform-modules-umd" "^7.2.0"
     "@babel/plugin-transform-named-capturing-groups-regex" "^7.4.5"
     "@babel/plugin-transform-new-target" "^7.4.4"
@@ -689,7 +671,7 @@
     "@babel/plugin-transform-template-literals" "^7.4.4"
     "@babel/plugin-transform-typeof-symbol" "^7.2.0"
     "@babel/plugin-transform-unicode-regex" "^7.4.4"
-    "@babel/types" "^7.4.4"
+    "@babel/types" "^7.5.0"
     browserslist "^4.6.0"
     core-js-compat "^3.1.1"
     invariant "^2.2.2"
@@ -725,7 +707,7 @@
     "@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@^7.4.5", "@babel/traverse@^7.5.0":
+"@babel/traverse@^7.1.0", "@babel/traverse@^7.4.3", "@babel/traverse@^7.4.4", "@babel/traverse@^7.5.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.5.0.tgz#4216d6586854ef5c3c4592dab56ec7eb78485485"
   integrity sha512-SnA9aLbyOCcnnbQEGwdfBggnc142h/rbqqsXcaATj2hZcegCl903pUD/lfpsNBlBSuWow/YDfRyJuWi2EPR5cg==