[jhc] darcs patch: thread options into the renamer and simp... (and 4 more)

Fri Feb 27 18:14:01 PST 2009 John Meacham * thread options into the renamer and simplify renamer some by leaving wrapping of constructors to the type checker Fri Feb 27 18:37:28 PST 2009 John Meacham * added HsLet, HsDo, and HsLocated to syntax traversal code Fri Feb 27 19:45:20 PST 2009 John Meacham * don't desugar list comprehensions until after renaming has occured, always bind to the prelude functions in list comprehension expansion Fri Feb 27 20:15:35 PST 2009 John Meacham * clean up some old cruft dealing with names Fri Feb 27 20:23:30 PST 2009 John Meacham * don't desugar do bindings until after renaming