diff --git a/example/package-lock.json b/example/package-lock.json
index 988676e..3bf1a39 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -291,6 +291,57 @@
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+      "resolved": "https://registry.npmjs.org/cli/-/cli-1.0.1.tgz",
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+      "dev": true,
+      "requires": {
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+          "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
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+          "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
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+          "dev": true,
+          "requires": {
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+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz",
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+          "dev": true,
+          "requires": {
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+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.1.1",
+            "once": "^1.3.0",
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+          "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
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+          "dev": true,
+          "requires": {
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       "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
@@ -314,6 +365,21 @@
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       "dev": true
     },
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+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+      "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+      "dev": true,
+      "requires": {
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+    "color-name": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+      "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
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@@ -350,7 +416,7 @@
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-      "integrity": "sha1-8CQcRXMKn8YyOyBtvzjtx0HQuxA=",
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@@ -399,7 +465,7 @@
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-      "integrity": "sha1-6vQ5/U1ISK105cx9vvIAZyueNFs=",
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@@ -448,6 +514,55 @@
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       "dev": true
     },
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+      "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-0.2.2.tgz",
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+      "dev": true,
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+          "dev": true
+        },
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+          "resolved": "https://registry.npmjs.org/entities/-/entities-2.2.0.tgz",
+          "integrity": "sha512-p92if5Nz619I0w+akJrLZH0MX0Pb5DX39XOwQTtXSdQQOaYH03S1uIQp4mhOZtAXrxq4ViO67YTiLBo2638o9A==",
+          "dev": true
+        }
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+    },
+    "domelementtype": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.3.1.tgz",
+      "integrity": "sha512-BSKB+TSpMpFI/HOxCNr1O8aMOTZ8hT3pM3GQ0w/mWRmkhEDSFJkkyzz4XQsBV44BChwGkrDfMyjVD0eA2aFV3w==",
+      "dev": true
+    },
+    "domhandler": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/domhandler/-/domhandler-2.3.0.tgz",
+      "integrity": "sha512-q9bUwjfp7Eif8jWxxxPSykdRZAb6GkguBGSgvvCrhI9wB71W2K/Kvv4E61CF/mcCfnVJDeDWx/Vb/uAqbDj6UQ==",
+      "dev": true,
+      "requires": {
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+      }
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+    "domutils": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/domutils/-/domutils-1.5.1.tgz",
+      "integrity": "sha512-gSu5Oi/I+3wDENBsOWBiRK1eoGxcywYSqg3rR960/+EfY0CF4EX1VPkgHOZ3WiS/Jg2DtliF6BhWcHlfpYUcGw==",
+      "dev": true,
+      "requires": {
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@@ -461,7 +576,7 @@
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-      "integrity": "sha1-sph6o4ITR/zeZCsk/fyeT7cSvyY=",
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@@ -1237,172 +1352,42 @@
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-      "integrity": "sha1-gDaBgdzNVRGG5bg4XAEc7iTWQKA=",
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-          "integrity": "sha1-Spc/Y1uRkPcV0QmH1cAP0oFevj0=",
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-            "minimatch": "0.3"
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-          "integrity": "sha1-J12O2qxPG7MyZHIInnlJyDlGmd0=",
+        "chalk": {
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+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
+          "integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==",
           "dev": true,
           "requires": {
-            "lru-cache": "2",
-            "sigmund": "~1.0.0"
+            "ansi-styles": "^4.1.0",
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-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
-          "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
+        "supports-color": {
+          "version": "7.2.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+          "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
           "dev": true,
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-            "inherits": "~2.0.1",
-            "isarray": "0.0.1",
-            "string_decoder": "~0.10.x"
+            "has-flag": "^4.0.0"
           }
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       }
@@ -1661,6 +1646,12 @@
         "ansi-regex": "^2.0.0"
       }
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+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
+      "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
+      "dev": true
+    },
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@@ -1685,6 +1676,39 @@
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       "dev": true
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+      "version": "3.8.3",
+      "resolved": "https://registry.npmjs.org/htmlparser2/-/htmlparser2-3.8.3.tgz",
+      "integrity": "sha512-hBxEg3CYXe+rPIua8ETe7tmG3XDn9B0edOE/e9wH2nLczxzgdu0m0aNHY+5wFZiviLWLdANPJTssa92dMcXQ5Q==",
+      "dev": true,
+      "requires": {
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+        "domutils": "1.5",
+        "entities": "1.0",
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+          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
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+          "dev": true
+        },
+        "readable-stream": {
+          "version": "1.1.14",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "integrity": "sha512-+MeVjFf4L44XUkhM1eYbD8fyEsxcV81pqMSR5gblfcLCHfZvbrqy4/qYHE+/R5HoBUT11WV5O08Cr1n3YXkWVQ==",
+          "dev": true,
+          "requires": {
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+            "inherits": "~2.0.1",
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@@ -1830,6 +1854,29 @@
       "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
       "dev": true
     },
+    "jshint": {
+      "version": "2.13.5",
+      "resolved": "https://registry.npmjs.org/jshint/-/jshint-2.13.5.tgz",
+      "integrity": "sha512-dB2n1w3OaQ35PLcBGIWXlszjbPZwsgZoxsg6G8PtNf2cFMC1l0fObkYLUuXqTTdi6tKw4sAjfUseTdmDMHQRcg==",
+      "dev": true,
+      "requires": {
+        "cli": "~1.0.0",
+        "console-browserify": "1.1.x",
+        "exit": "0.1.x",
+        "htmlparser2": "3.8.x",
+        "lodash": "~4.17.21",
+        "minimatch": "~3.0.2",
+        "strip-json-comments": "1.0.x"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
+          "dev": true
+        }
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     "json-schema": {
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.2.3.tgz",
@@ -2517,12 +2564,6 @@
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@@ -2647,6 +2688,12 @@
         "get-stdin": "^4.0.1"
       }
     },
+    "strip-json-comments": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-1.0.4.tgz",
+      "integrity": "sha512-AOPG8EBc5wAikaG1/7uFCNFJwnKOuQwFTpYBdTW6OvWHeZBQBrAA/amefHGrEiOnCPcLFZK6FUPtWVKpQVIRgg==",
+      "dev": true
+    },
     "supports-color": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
diff --git a/example/package.json b/example/package.json
index 25f574e..68caf69 100644
--- a/example/package.json
+++ b/example/package.json
@@ -14,7 +14,7 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "grunt-contrib-jshint": "~0.11.3",
+    "grunt-contrib-jshint": "~3.2.0",
     "grunt-contrib-cssmin": "~0.14.0",
     "grunt-contrib-uglify": "~0.9.2",
     "grunt-contrib-watch": "~0.6.1",