Changed: refactored collision detection
Changed: Introduced alias u for Kurve.Utility
Changed: Refactored include order
Changed: Refactored use of point objects
Changed: Refactored function name
Changed: Improved collision detection sensitivity
Changed: refactored Kurve.Curve completely
Added: pause feature
Bugfix: prohibit multiple startNewRound calls
Added: initial specials feature
Added: jump special
Added: special key for each player
Added: invisible special
Added: author notes