Bump version to 2.0.7 (#19)

Author: Itai Levi

package.json

@@ -5,7 +5,7 @@
     "type": "git",
     "url": "https://github.com/PropelAuth/javascript"
   },
-  "version": "2.0.6",
+  "version": "2.0.7",
   "keywords": [
     "auth",
     "user",