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

if(WIN32 AND NOT UNIX)
	file(GLOB DLLs *.dll)
	
	install(FILES
		${DLLs}
		DESTINATION bin)
endif(WIN32 AND NOT UNIX)