LayoutModifier: add pureMess and pureModifier to the LayoutModifier class
LayoutModifier: add pureMess and pureModifier to the LayoutModifier class

darcs-hash:20080122111319-32816-c35527f71b561f828a4c11cf215e5f2b24d2f539

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