- sudo commands (ask for password)
- config in different places
- adding/removing entries directly from the program
- keep previous buffers for oneshot commands
- custom key bindings (and informations in the window)
- Man file
- Check correctness of entries in config file (and capitalization)
- Key to force window update
- Customization of window size
- ~Internationalization
- Some bugs with scrolling
- Respect colors from command?

bugs:
monitor.rb:264:in `last': negative array size (ArgumentError)
        from monitor.rb:264:in `yield'
        from monitor.rb:157:in `print_buffer'
        from monitor.rb:95:in `move_resize'
        from monitor.rb:345:in `block in redraw_all'
        from monitor.rb:344:in `each'
        from monitor.rb:344:in `redraw_all'
        from monitor.rb:389:in `<main>'