Updated Spec and Storage to reflect alex changes

Author: lucadegasperi

.gitignore

@@ -2,3 +2,4 @@
 composer.phar
 .DS_Store
 /.idea/
+composer.lock

composer.json

@@ -22,7 +22,7 @@
         "illuminate/console": "4.2.*",
         "illuminate/http": "4.2.*",
         "nesbot/carbon": "1.*",
-        "league/oauth2-server": "4.0.*@dev"
+        "league/oauth2-server": "4.0.*"
     },
     "require-dev": {
         "phpspec/phpspec": "~2.0",