[jhc] darcs patch: add QuickCheck to external libs (and 3 more)

Thu Jul 22 05:21:48 PDT 2010 John Meacham <john@repetae.net> * add QuickCheck to external libs Thu Jul 22 05:33:50 PDT 2010 John Meacham <john@repetae.net> * add parsec to external libraries Thu Jul 22 06:00:36 PDT 2010 John Meacham <john@repetae.net> * add misc utilities Thu Jul 22 06:00:53 PDT 2010 John Meacham <john@repetae.net> * rename existential data declarations properly