BUG FIXES
1. Fixed an issue where Workers planting trees at a Forestry Site could become stuck.
2. Fixed an issue where plague transmission could cause crashes in certain situations.
3. Fixed an issue where Workers could have 0 HP but not die in certain situations.
4. Fixed an issue where clicking Farmland could cause a crash in certain situations.
5. Fixed an issue where tracking achievements could cause a crash in certain situations.
6. Fixed other issues that could potentially cause crashes.