npm version commands

package.json

@@ -1,6 +1,6 @@
 {
   "name": "keen-tracking",
-  "version": "1.4.1",
+  "version": "1.4.0",
   "description": "Data Collection SDK for Keen IO",
   "main": "lib/server.js",
   "browser": "lib/browser.js",
@@ -10,7 +10,10 @@
   },
   "scripts": {
     "start": "gulp with-tests",
-    "test": "gulp test:cli"
+    "test": "gulp test:cli",
+    "preversion": "gulp build && npm run test",
+    "version": "git add .",
+    "postversion": "git push && git push --tags"
   },
   "bugs": "https://github.com/keen/keen-tracking.js/issues",
   "author": "Keen IO <[email protected]> (https://keen.io/)",