Add .idea to gitignore
Fix formatting of file
Adding .iml to gitignore
Add signOut and showAchievements
Minor code clean up. Changing Log.w to Log.d as it's debug info
Refactor code to make API easier to use. Note: Includes BREAKING changes
Adding ability to show a specific leaderboard
Adding ability to increment incremental achievements
Adding ability to check if user is signed in or not
More code cleanup, PluginResult is never used, so return void instead
Update README.md
Fix case where no data is provided and only success/failure callbacks
Bug fix: only fire success after user action is complete (either cancel or successful log in)
Merge pull request #1 from pyko/master

Add more functionality and make API easier to use