Todo:

- submenus

- define keys in config file

- patch xprop/xkill

- a better sample config file

- Only reread config file when HUP signal is sent

- better navigation with keyboard (ion is quite cool)

- dialog to find windows and change attributes
  (+ config file editor) (external app)

- Write a pager (externel app?)

- Scripting language (??)

- and much more