chore(package): update browserify to version 16.3.0

Closes #52

Author: greenkeeper[bot]

package.json

@@ -37,7 +37,7 @@
   "devDependencies": {
     "babel-preset-es2015": "^6.16.0",
     "babelify": "^7.2.0",
-    "browserify": "^14.4.0",
+    "browserify": "^16.3.0",
     "coffee-script": "^1.11.0",
     "coveralls": "^3.0.0",
     "gulp": "next",