Cabal revisions of xeno-0.4

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

 name: xeno version: 0.4+x-revision: 1 synopsis: A fast event-based XML parser in pure Haskell description: A fast, low-memory use, event-based XML parser in pure Haskell.   build-type: Simple   default:       False  library+  build-depends: mtl <2.3+   hs-source-dirs: src   ghc-options: -Wall -O2   exposed-modules: Xeno.SAX, Xeno.DOM, Xeno.DOM.Internal, Xeno.DOM.Robust, Xeno.Types, Xeno.Errors