X.A.WindowNavigation: add withWindowNavigation, for easy setup
X.A.WindowNavigation: add withWindowNavigation, for easy setup

This should be more flexible than it is -- I've got an idea, but am interested to hear others.

darcs-hash:20080511220458-78224-1eb331e0c1a89118c39b0d014e6c5ec7356d4a6a

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