Build 0.6.0!

Features
- Added Online gameplay for classic mode

Fixes
- Sprite cleanups
- Menu fixes when using a controller
- Pause menu fixes in certain areas

Known Issues
- The host of an online game can keep playing if the non-host leaves, I'll fix this to kick the host back to the main menu

Upcoming and the road to 1.0
- Add Classic Mode modifiers for Online and changing number range
- Add more modifiers for Classic Mode
- Story World 4
- Leaderboards
- More extra games