Bug-fixes for issues encountered in build 0.3.1.
- Fixed an issue where Tavern upgrades were not working as intended.
- Fixed the issue where Elephant HP is incorrectly displayed as 3.
- Fixed an issue where persistent rewards for finishing the second map was not unlocking for some players.
- Fixed an issue where retreat was not appropriately deducting supplies and renown.
- Pikemen are now weak against Light Infantry.