Version bump

package.json

@@ -2,7 +2,7 @@
   "author": "Guy Halford-Thompson <guy@cach.me> (http://cach.me)",
   "name": "notp",
   "description": "Node One Time Password library, supports HOTP, TOTP and works with Google Authenticator",
-  "version": "1.1.2",
+  "version": "2.0.0",
   "homepage": "https://github.com/guyht/notp",
   "repository": {
     "type": "git",