Version 0.30 2006-04-28	D. Arnold

	- broke out from Devel::STrace 0.30 (decoupled to more easily
		support Devel::Psichedb or other debuggers/diagnostics)

	- added DESTROY for Devel::RingBuffer and Devel::RingBuffer::Ring
	
	- added global message area
	
	- added per-thread message area
	
	- added per-thread expression-watch area
	
	- converted most mmap'd area accesses to XS/C code
