hCsound-0.2.2: changelog

Changes since version 2.0:
	- Added new type synonym, UIntPtrT.  This type is used by
	CsoundCreateThread and CsoundJoinThread as the ThreadId.  jwlato,
	2008/07/18.
	- much improved build system, made possible by improved c2hs and
	cabal.  jwlato, 2009/02/19.