patch applied (cabal): Add version wildcard syntax

[Duncan Coutts]

Thu Jun 19 10:50:06 PDT 2008  Duncan Coutts <duncan at haskell.org>
  * Add version wildcard syntax
    build-depends: foo ~1.2.*
  means:
    build-depends: foo >=1.2 && <1.3
  It's also valid everywhere else version ranges are used.

    M ./Distribution/Version.hs -2 +45

View patch online:
http://darcs.haskell.org/cabal/_darcs/patches/20080619175006-adfee-e512de8b9cfda1ce8c0df37b90a5587b33a78c53.gz