Engine: + Split PlaySound into PlaySound and LoopSound + Added overloaded versions of PlaySound/LoopSound that won't require voicepack parameter + LoopSound now allows multiple copies of the same sound to play looped and returns the channel used for playback (to stop them later) + StopSound now allows either a specific sound (single playback) or channel (single playback as well as looped playback) to be stopped + SoundChannel attribute for Gears to be used when looping sounds

LIBRARY "openalbridge"
EXPORTS
	openal_init
	openal_close
	openal_ready
	openal_loadfile
	openal_toggleloop
	openal_setvolume
	openal_setglobalvolume
	openal_togglemute
	openal_fadeout
	openal_fadein
	openal_fade
	openal_playsound	
	openal_pausesound
	openal_stopsound