Speedup/Speeddown/Reset on PGUP/PGDOWN/HOME
hunger/thirst with dt
multipliers equal difference (10%)
Merge branch 'Develop' of https://github.com/PimV/Bermuda-TheGame into GameSpeed
Merge pull request #81 from PimV/GameSpeed

Game speed
Merge branch 'Develop' of https://github.com/PimV/Bermuda-TheGame into Campfire