FULLPIPE: Implement sceneHandler27_winArcade()
FULLPIPE: Enable scene27
FULLPIPE: Implement sceneHandler27_startAiming()
FULLPIPE: Implement sceneHandler27_clickBat()
FULLPIPE: Implement sceneHandler27_throwBat()
FULLPIPE: Update scene27 callbacks
FULLPIPE: Implement sceneHandler27_driverGiveVent()
FULLPIPE: Implement sceneHandler27_takeVent()
FULLPIPE: Implementated sceneHandler27_showNextBat()
FULLPIPE: Implement sceneHandler27_sub04() and sceneHandler27_sub07()
FULLPIPE: Implement sceneHandler27_startBat()
FULLPIPE: Implement sceneHandler27_animateBats()
FULLPIPE: Implement sceneHandler27_batCalcDistance()
AVALANCHE: Implement loading and drawing of the picture of the ghost.
AVALANCHE: Remove references to removed variables.
AVALANCHE: Rename/move/implement getMe().
AVALANCHE: Change some variable's type, remove unused function.
AVALANCHE: Really remove that function.
AVALANCHE: Some renaming connected to Ghostroom.
AVALANCHE: Some renaming in Background.