Add readVersion convenience function to Distribution.Version
Add readVersion convenience function to Distribution.Version

So it's merely readVersion :: String -> Maybe Version
Having to use readP_to_S parseVersion all over the place is annoying.

20070802171703-adfee-8be5b72a04ef0246562217ef8d891d3ab61217dc.gz

dcreager/cabal,dcreager/cabal