[jhc] darcs patch: fix instance of U2U primitive not being ... (and 5 more)

Fri Sep 4 21:21:49 PDT 2009 John Meacham * fix instance of U2U primitive not being processed properly Fri Sep 4 21:22:39 PDT 2009 John Meacham * clean ups Fri Sep 4 23:16:45 PDT 2009 John Meacham * fix strict newtypes bug Fri Sep 4 23:17:22 PDT 2009 John Meacham * use strict writer monad as suggested by Taral Fri Sep 4 23:32:31 PDT 2009 John Meacham * fix desugaring inside of list comprehensions Sat Sep 5 00:02:41 PDT 2009 John Meacham * allow C generator to handle unknown values properly