Add support for several flags:
Add support for several flags:

 --version: print xmonad's version
 --recompile: recompile xmonad.hs if it is out of date
 --force-recompile: recompile xmonad.hs unconditionally

darcs-hash:20071222020520-a5988-0ce148dc9bd7c5c39f54f75957fc10561f1623a0

Happy-Ferret/xmonad