[jhc] darcs patch: start adding support for mark-sweep garb... (and 1 more)

Fri Jun 26 18:57:52 PDT 2009 John Meacham <john@repetae.net> * start adding support for mark-sweep garbage collector Sun Jun 28 01:42:50 PDT 2009 John Meacham <john@repetae.net> * get rid of some warnings