Merge pull request #413 from mdblr/mdblr/upgrade-watchify-for-nodejs-14

Upgrade watchify from 3.x to 4.x

Author: DirtyHairy

package.json

@@ -39,7 +39,7 @@
     "glob": "^7.1.2",
     "lodash": "^4.17.4",
     "resolve": "^1.1.6",
-    "watchify": "^3.6.1"
+    "watchify": "^4.0.0"
   },
   "devDependencies": {
     "grunt": "^1.0.1",