[xmonad] darcs patch: Use ExtensibleState in contrib and some convenience functions

30 Jun 2009

      Mon Jun 29 22:15:09 CEST 2009  Daniel Schoepe

  * Adjust modules to use extensibleState instead of IORefs

  This patch adjusts the following modules to use extensibleState instead
  of IORefs thus simplifying the interface: 
  X.A.SpawnOn, X.A.UrgencyHooks, X.A.DynamicHooks

Mon Jun 29 22:18:11 CEST 2009  Daniel Schoepe

  * Add some convenience functions to ExtensibleState

  This patch adds some convenience functions to XMonad.ExtensibleState
  and
  fixes a bug.