[Xmonad] darcs patch: new module DynamicWorkspaces to add and ... (and 2 more)

Mon Aug 13 18:15:01 PDT 2007 David Roundy <droundy@darcs.net> * new module DynamicWorkspaces to add and remove workspaces. Mon Aug 13 18:45:48 PDT 2007 David Roundy <droundy@darcs.net> * make DynamicWorkspace more thorough. Note: there's still a bug due to our failure to inform the old layouts to clean up. Tue Aug 14 11:35:42 PDT 2007 David Roundy <droundy@darcs.net> * clean up DynamicWorkspaces to handle layouts properly.