patch applied (cabal): Add Test.Laws module for checking class laws

Thu Dec 4 06:42:38 PST 2008 Duncan Coutts * Add Test.Laws module for checking class laws For Functor, Monoid and Traversable. A ./tests/Test/Laws.hs View patch online: http://darcs.haskell.org/cabal/_darcs/patches/20081204144238-adfee-6af6752dc...