NewTabbed: after a ReleaseResources we should return Tabbed Nothing...
NewTabbed: after a ReleaseResources we should return Tabbed Nothing...

darcs-hash:20070928011645-32816-65bee6e787843aca95306b592c7f611b1bb1926a

yzhou61/xmonad-contrib,yzhou61/xmonad-contrib,yzhou61/xmonad-contrib