CLEAN-UP COMMANDS
ClearParticles
	
This will remove all particles that are currently shown on screen AND will stop all running emitters. Use it to clear all particles from the screen, for example on a game over event.
FreeEmitter HANDLE%
	
Use this command together with an emitter's handle to delete this emitter permanently. This command will also free any attached sounds.
FreeEmitters
	
Notice the 's' -this will free ALL existing emitters at once.
FreeParticleSystem
	
This command will free ANYTHING -each emitter, any defined particle types, sounds, etc. Use this when exiting your game.