Change log 0.6.4.2

Improvements
- Villager that has repaired a building will only look for nearby buildings to repair and not construct
- Villager that has constructed a building will only look for nearby buildings to construct and not repair
- Moved farm taken indicators to center of farm sprite

Balance changes
- Trees have 30 wood (up from 25)
- Villagers chop wood 20% faster (base wood harvest difficulty 75 -> 60)

Bug fixes
- Game no longer crashes and goes out of synch when someone are defeated in a multiplayer match with more than 2 players
- Fixed an exception that could crash the game
- Fixed a rare case when placing a building next to a villager that was assigned to construct the building would make the villager idle instead of constructing it