darcs patch: Naive implementation of 'cabal check'

Thu Feb 21 21:48:20 CET 2008 Lennart Kolmodin <kolmodin@gentoo.org> * Naive implementation of 'cabal check' A naive implementation of 'cabal check'. It will list the errors and warnings as implemented by Cabal, yielding them in groups of severity. Currently ignores verbosity levels, no additional arguments are understood. This addresses ticket #211.