0.5.5B - Bug fixes

Changle log

Balance
- Unit health regeneration is 25% faster
- Unit health regeneration upgraded with Apothecary is 50% faster than it was when upgraded in last version 

Bug fixes
- Fixed a bug that could make a villager move to the bottom of the screen for no apparent reason
- Fixed a bug that in rare causes could crash the game
- Large numbers now fit in remaining resources box