Handle keyboard exceptions nicer in PiNet
Added version one of powerups
Added gitignore
Reduced some code duplication
Added tests for the laps handling
Convert xbox input to a multithreaded program
Can close PiNet Receiver socket now
"Refactor" the game engine. Added powerups.
Laps sorting now properly deals with None players
Engine should now be compatible with the GUI
Merge branch 'powerups'