patch applied (cabal-install): Implement cabal install --constraint=

Tue Dec 16 15:50:32 PST 2008 Duncan Coutts * Implement cabal install --constraint= Connect up the existing user interface with the new dep resolver api. M ./Distribution/Client/Install.hs -10 +18 View patch online: http://darcs.haskell.org/cabal-install/_darcs/patches/20081216235032-adfee-5...