Features
- skills now require a minimum Tier instead of a minimum Level
- heroes now reach Tier 3 with Level 9, Tier 4 with Level 12, and Tier 5 with Level 15
- hero equipping screen now has full gamepad support
Internal
- game data can now be loaded from different locations
Fixes
- fixed funny bug where heroes would bounce off enemies when landing from a jump instead of pushing them away
- yet another bunch of smaller issues
