Cabal revisions of stm-chans-3.0.0.4

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

  Name:           stm-chans Version:        3.0.0.4+x-revision: 1 Stability:      provisional Homepage:       http://code.haskell.org/~wren/ Author:         wren gayle romano, Thomas DuBuisson     GHC ==7.8.3, GHC ==7.10.1 Extra-source-files:     AUTHORS, README, CHANGELOG++custom-setup+    setup-depends: Cabal >= 1.6, base >= 4.1 && < 5+ Source-Repository head     Type:     darcs     Location: http://community.haskell.org/~wren/stm-chans