Cabal revisions of xmonad-0.13

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

 name:               xmonad version:            0.13+x-revision: 1 homepage:           http://xmonad.org synopsis:           A tiling window manager description:                         XMonad.StackSet     other-modules:      Paths_xmonad -    build-depends: base < 5 && >=3,+    build-depends: base < 4.11 && >=3,                    containers,                    data-default,                    directory >= 1.2.3,