OK, tomorrow I'll upload what I've done before and post a link. 
There are still many things that need doing to it, but until I can work on polishing it more I'll just release what I've done so far so people can try it out. 
The main thing that needs doing at the minute is Z coordinates for zones. 
		
	
		
		
		
		
		
		
		
		
		
	
		
		
	
	
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