Cabal revisions of gtk2hs-buildtools-0.13.0.4

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

 Name:   gtk2hs-buildtools Version:        0.13.0.4+x-revision: 1 License:        GPL-2 License-file:   COPYING Copyright:      (c) 2001-2010 The Gtk2Hs Team         build-depends:  base >= 4 && < 5,                         process, directory, array, containers, pretty,                         filepath, random-        build-tools:    alex >= 3.0.1, happy >= 1.18.9+        build-tools:    alex >= 3.0.1 && <3.1.5, happy >= 1.18.9         other-modules:  BaseVersion                         Config                         Errors