diff --git a/package-lock.json b/package-lock.json
index 09d9837..984a250 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3898,6 +3898,52 @@
         "parse-json": "^4.0.0"
       }
     },
+    "coveralls": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.1.1.tgz",
+      "integrity": "sha512-+dxnG2NHncSD1NrqbSM3dn/lE57O6Qf/koe9+I7c+wzkqRmEvcp0kgJdxKInzYzkICKkFMZsX3Vct3++tsF9ww==",
+      "requires": {
+        "js-yaml": "^3.13.1",
+        "lcov-parse": "^1.0.0",
+        "log-driver": "^1.2.7",
+        "minimist": "^1.2.5",
+        "request": "^2.88.2"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "1.2.7",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.7.tgz",
+          "integrity": "sha512-bzfL1YUZsP41gmu/qjrEk0Q6i2ix/cVeAhbCbqH9u3zYutS1cLg00qhrD0M2MVdCcx4Sc0UpP2eBWo9rotpq6g=="
+        },
+        "request": {
+          "version": "2.88.2",
+          "resolved": "https://registry.npmjs.org/request/-/request-2.88.2.tgz",
+          "integrity": "sha512-MsvtOrfG9ZcrOwAW+Qi+F6HbD0CWXEh9ou77uOb7FM2WPhwT7smM833PzanhJLsgXjN89Ir6V2PczXNnMpwKhw==",
+          "requires": {
+            "aws-sign2": "~0.7.0",
+            "aws4": "^1.8.0",
+            "caseless": "~0.12.0",
+            "combined-stream": "~1.0.6",
+            "extend": "~3.0.2",
+            "forever-agent": "~0.6.1",
+            "form-data": "~2.3.2",
+            "har-validator": "~5.1.3",
+            "http-signature": "~1.2.0",
+            "is-typedarray": "~1.0.0",
+            "isstream": "~0.1.2",
+            "json-stringify-safe": "~5.0.1",
+            "mime-types": "~2.1.19",
+            "oauth-sign": "~0.9.0",
+            "performance-now": "^2.1.0",
+            "qs": "~6.5.2",
+            "safe-buffer": "^5.1.2",
+            "tough-cookie": "~2.5.0",
+            "tunnel-agent": "^0.6.0",
+            "uuid": "^3.3.2"
+          }
+        }
+      }
+    },
     "create-ecdh": {
       "version": "4.0.3",
       "resolved": "https://registry.npmjs.org/create-ecdh/-/create-ecdh-4.0.3.tgz",
@@ -8300,6 +8346,11 @@
         "invert-kv": "^2.0.0"
       }
     },
+    "lcov-parse": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/lcov-parse/-/lcov-parse-1.0.0.tgz",
+      "integrity": "sha512-aprLII/vPzuQvYZnDRU78Fns9I2Ag3gi4Ipga/hxnVMCZC8DnR2nI7XBqrPoywGfxqIx/DgarGvDJZAD3YBTgQ=="
+    },
     "left-pad": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/left-pad/-/left-pad-1.3.0.tgz",
@@ -8725,6 +8776,11 @@
       "resolved": "https://registry.npmjs.org/lodash.uniq/-/lodash.uniq-4.5.0.tgz",
       "integrity": "sha1-0CJTc662Uq3BvILklFM5qEJ1R3M="
     },
+    "log-driver": {
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/log-driver/-/log-driver-1.2.7.tgz",
+      "integrity": "sha512-U7KCmLdqsGHBLeWqYlFA0V0Sl6P08EE1ZrmA9cxjUE0WVqT9qnyVDPz1kzpFEP0jdJuFnasWIfSd7fsaNXkpbg=="
+    },
     "log-symbols": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/log-symbols/-/log-symbols-2.2.0.tgz",
@@ -10978,9 +11034,9 @@
       "integrity": "sha1-fjL3W0E4EpHQRhHxvxQQmsAGUdc="
     },
     "qs": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
-      "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA=="
+      "version": "6.5.3",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.3.tgz",
+      "integrity": "sha512-qxXIEh4pCGfHICj1mAJQ2/2XVZkjCDTcEgfoSQxc/fYivUZxTkk7L3bDBJSoNrEzXI17oUO5Dp07ktqE5KzczA=="
     },
     "querystring": {
       "version": "0.2.0",