Updated .cabal file with new modules.
Updated .cabal file with new modules.

Ignore-this: 1566f54bc23e14fbfcb3a63959988037

darcs-hash:20090921163946-5fe1c-7fe8abd73c28dc2adef10d1dcea2f6c7d7c3de17.gz

ekmett/hmpfr