diff --git a/package-lock.json b/package-lock.json
index 30ac0d8c..a31972ef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -408,7 +408,8 @@
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+      "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y=",
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-      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
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@@ -465,7 +467,8 @@
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-      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
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@@ -499,12 +502,14 @@
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-      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
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+      "integrity": "sha512-32NDda82rhwD9/JBCCkB+MRYDp0oSvlo2IL6rQWA10PQi7tDUM3eqMSltXmY+Oyl/7N3P3qNtAlv7X0d9bI28w==",
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@@ -1928,6 +1933,7 @@
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       "integrity": "sha1-T4owBctKfjiJ90kDD9JbluAdLjE=",
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@@ -2113,6 +2119,12 @@
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+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.0.tgz",
+      "integrity": "sha512-c5mRlguI/Pe2dSZmpER62rSCu0ryKmWddzRYsuXc50U2/g8jMOulc31VZMa4mYx31U5xsmSOpDCgH88Vl9cDGQ==",
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@@ -2232,7 +2244,8 @@
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-      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
+      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
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@@ -2591,6 +2604,7 @@
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       "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
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@@ -2664,11 +2678,12 @@
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-      "integrity": "sha1-CqxmL9Ur54lk1VMvaUeE5wEQrPc=",
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+      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
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       "dev": true,
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@@ -3134,6 +3151,7 @@
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@@ -3286,7 +3304,8 @@
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-      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
+      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
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@@ -3784,9 +3803,9 @@
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+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-4.19.1.tgz",
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@@ -3794,17 +3813,17 @@
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         "cross-spawn": "^5.1.0",
-        "debug": "^3.0.1",
-        "doctrine": "^2.0.0",
+        "debug": "^3.1.0",
+        "doctrine": "^2.1.0",
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-        "espree": "^3.5.2",
+        "eslint-visitor-keys": "^1.0.0",
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         "glob": "^7.1.2",
-        "globals": "^9.17.0",
+        "globals": "^11.0.1",
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@@ -3820,11 +3839,12 @@
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         "pluralize": "^7.0.0",
         "progress": "^2.0.0",
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         "semver": "^5.3.0",
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         "strip-json-comments": "~2.0.1",
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@@ -3835,23 +3855,23 @@
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+          "version": "2.4.1",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
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           "dev": true,
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-            "ansi-styles": "^3.1.0",
+            "ansi-styles": "^3.2.1",
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@@ -3863,22 +3883,37 @@
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+          "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-2.1.0.tgz",
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+          "dev": true,
+          "requires": {
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           "dev": true
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+          "resolved": "https://registry.npmjs.org/globals/-/globals-11.5.0.tgz",
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-          "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
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@@ -3895,12 +3930,12 @@
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-          "integrity": "sha1-vnoN5ITexcXN34s9WRJQRJEvY1s=",
+          "version": "5.4.0",
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           "dev": true,
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@@ -4074,19 +4109,19 @@
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+      "resolved": "https://registry.npmjs.org/espree/-/espree-3.5.4.tgz",
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       "dev": true,
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-        "acorn": "^5.2.1",
+        "acorn": "^5.5.0",
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+          "version": "5.6.2",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.6.2.tgz",
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@@ -4097,9 +4132,9 @@
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-      "integrity": "sha1-z7qLV9f7qT8XKYqKAGoEzaE9gPo=",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/esquery/-/esquery-1.0.1.tgz",
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@@ -4280,7 +4315,8 @@
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-      "integrity": "sha1-p1Xqe8Gt/MWjHOfnYtuq3F5jZEQ="
+      "integrity": "sha1-p1Xqe8Gt/MWjHOfnYtuq3F5jZEQ=",
+      "optional": true
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@@ -4339,7 +4375,8 @@
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-      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
+      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
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-          "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg="
+          "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=",
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@@ -5297,12 +5336,14 @@
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-      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE="
+      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=",
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+      "optional": true,
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@@ -5416,7 +5457,8 @@
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@@ -5434,11 +5476,13 @@
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@@ -5451,15 +5495,18 @@
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@@ -5562,7 +5609,8 @@
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@@ -5572,6 +5620,7 @@
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           }
@@ -5584,17 +5633,20 @@
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           "bundled": true,
+          "optional": true,
           "requires": {
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@@ -5611,6 +5663,7 @@
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@@ -5683,7 +5736,8 @@
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@@ -5693,6 +5747,7 @@
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@@ -5768,7 +5823,8 @@
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@@ -5798,6 +5854,7 @@
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@@ -5815,6 +5872,7 @@
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@@ -5853,11 +5911,13 @@
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@@ -6728,9 +6793,9 @@
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@@ -7197,13 +7262,10 @@
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-      "dev": true,
-      "requires": {
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@@ -7237,7 +7299,8 @@
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-      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo="
+      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=",
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@@ -7305,7 +7368,8 @@
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+      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=",
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@@ -7431,7 +7495,8 @@
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-      "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM="
+      "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM=",
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@@ -7582,6 +7647,7 @@
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       "integrity": "sha1-MT5mvB5cwG5Di8G3SZwuXFastqI=",
+      "optional": true,
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@@ -8759,7 +8825,8 @@
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-      "integrity": "sha1-Rqarfwrq2N6unsBWV4C31O/rnUM="
+      "integrity": "sha1-Rqarfwrq2N6unsBWV4C31O/rnUM=",
+      "optional": true
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@@ -9261,7 +9328,8 @@
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-      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
+      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
+      "optional": true
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@@ -11090,6 +11158,12 @@
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+    "regexpp": {
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+      "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-1.1.0.tgz",
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+      "dev": true
+    },
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+      "optional": true,
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@@ -11502,7 +11577,8 @@
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+      "integrity": "sha512-OfWGQTb9vnwRjwtA2QwpG2ICclHC3pgXZO5xt8H2EfgDquO0qVdSb5T88L4qJVAEugbS56pAuV4XZM58UX8ulw==",
+      "optional": true
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@@ -12137,6 +12213,7 @@
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+      "optional": true,
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@@ -12373,6 +12450,7 @@
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       "integrity": "sha1-Ew9Zde3a2WPx1W+SuaxsUfqfg+s=",
+      "optional": true,
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@@ -12833,38 +12911,38 @@
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+          "version": "3.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+          "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
           "dev": true,
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-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.0.tgz",
-          "integrity": "sha512-Az5zJR2CBujap2rqXGaJKaPHyJ0IrUimvYNX+ncCy8PJP4ltOGTrHUIo097ZaL2zMeKYpiCdqDvS6zdrTFok3Q==",
+          "version": "2.4.1",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.1.tgz",
+          "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
           "dev": true,
           "requires": {
-            "ansi-styles": "^3.1.0",
+            "ansi-styles": "^3.2.1",
             "escape-string-regexp": "^1.0.5",
-            "supports-color": "^4.0.0"
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-          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-2.0.0.tgz",
-          "integrity": "sha1-6CB68cx7MNRGzHC3NLXovhj4jVE=",
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
+          "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
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-          "integrity": "sha1-vnoN5ITexcXN34s9WRJQRJEvY1s=",
+          "version": "5.4.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.4.0.tgz",
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           "dev": true,
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-            "has-flag": "^2.0.0"
+            "has-flag": "^3.0.0"
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@@ -13070,6 +13148,7 @@
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+      "optional": true,
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@@ -13077,7 +13156,8 @@
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-          "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
+          "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4=",
+          "optional": true
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@@ -13085,6 +13165,7 @@
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       "integrity": "sha1-XPne6D1rd4YcPWxE1ThZrterBHk=",
+      "optional": true,
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@@ -13097,6 +13178,7 @@
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           "integrity": "sha1-G8k2ueAvSmA/zCIuz3Yz0wuLk7E=",
+          "optional": true,
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@@ -13108,12 +13190,14 @@
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           "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.6.tgz",
-          "integrity": "sha1-MAvG4OhjdPe6YQaLWx7NV/xlMto="
+          "integrity": "sha1-MAvG4OhjdPe6YQaLWx7NV/xlMto=",
+          "optional": true
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           "integrity": "sha1-yLbBZ3l7pHQKjqMyUhYv8IWRsmY=",
+          "optional": true,
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@@ -13122,6 +13206,7 @@
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           "integrity": "sha1-6lo5AKHByyUJagrozFwrSxDe09w=",
+          "optional": true,
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@@ -13133,12 +13218,6 @@
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-      "resolved": "https://registry.npmjs.org/tryit/-/tryit-1.0.3.tgz",
-      "integrity": "sha1-OTvnMKlEb9Hq1tpZoBQwjzbCics=",
-      "dev": true
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@@ -13575,6 +13654,7 @@
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       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+      "optional": true,
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diff --git a/package.json b/package.json
index c3292dd9..5f9aab28 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
   },
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-    "eslint": "4.11.0",
+    "eslint": "4.19.1",
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