Fix crash when  returns null
Fix NPE
Rename utils package to billing
Refactor out to helper classes
Update buildToolsVersion
Switch to Pebble app store for watch app download
Wrap ConnectionReciever in a partial wakelock to prevent device from killing reciever while it's running
Add default tag to logger; Add basic logging around preference changes
Clear out passwords when Pebble Locker is disabled; Make alert dialogs not cancelable
Disable Pebble Locker when password is set to empty
Only check for previous purchases onCreate
Gray out password when Pebble Locker is disabled; Gray out options and remove password when device admin disabled
Extract LockState enum; Allow users to change lock state from within app
Refactor WakeLock management into base BroadcastReceiver class
Reorder options
Add configurable grace period before locking device due to disconnect
Minor code formatting
Begin testing
Bump version for release