Patch 0.1a

Changelog
- Unit leveling system rework. All EXP cost 1 gold to purchase. Different tiers of units have different EXP requirements.
- Enemies during combat changed.
- Players are granted 1 gold after every combat. Players get 12 gold upon losing a total of 6 times.
- Skeletons DamaRes and MagiRes: 40 -> 15
- Igna's Ability Duration: 3 -> 2 seconds
- Vastador's Ability AOE : 2 -> 3 hex radius
- Vastador's AutoSpeed: 0.65 -> 0.70
- Palla no longer waits 1.5 seconds to cast her ability
- Skeletons no longer spawn when only skeletons are alive
- Human trait now grants correct amount of EXP
- Myrac's ability now correctly targets allies, not enemie