Hotfix 0.8.3

[h3]Bugfixes[/h3]

Fixed "Keep It Up" and "Village People" having same id in puzzle maps causing problems
Fixed "Keep It Up" keep building causing problems (other maps that might have had the same problems should be fixed too)
Fixed multiplayer achievement "Let's Finish"
Fixed Puzzle Maps "Pub Culture" and "Balanced Diet"

[h3]Misc[/h3]