Tweaks to doppleganger.
Fixed loading a save from a game over in D3 putting you instantly back in D3.
Added a derivative function of startCombat to skip the "Next" prompt before displaying the combat menu. (startCombatImmediate)
Shifted all of the Incubus Mechanics D3 scenes into a child class available through D3.
Added a quick scene variant for using the elevator to leave D3 if the player fought the mechanic and defeated him.