[jhc] darcs patch: Gdb script to dump Haskell heap. (and 2 more)

3 patches for repository http://repetae.net/repos/jhc: Wed Apr 3 04:28:34 JST 2013 kiwamu@debian.or.jp * Gdb script to dump Haskell heap. Wed Apr 3 04:44:39 JST 2013 kiwamu@debian.or.jp * Support Windows MinGW32 platform. Wed Apr 3 04:54:32 JST 2013 kiwamu@debian.or.jp * Ready to cabal install jhc.