patch applied (cabal-branches/cabal-install-0.6): Backport VersionIntervals ADT from Cabal-1.7

[Duncan Coutts]

Thu Jun  4 17:59:17 PDT 2009  Duncan Coutts <duncan at haskell.org>
  * Backport VersionIntervals ADT from Cabal-1.7

    A ./Distribution/Compat/Version.hs
    M ./cabal-install.cabal +1

View patch online:
http://darcs.haskell.org/cabal-branches/cabal-install-0.6/_darcs/patches/20090605005917-adfee-f2fc3f23868a7a7d21be84a44fc32e2d3aa475d6.gz