TODO

   1 - sudo commands (ask for password)
   2 - config in different places
   3 - adding/removing entries directly from the program
   4 - keep previous buffers for oneshot commands
   5 - custom key bindings (and informations in the window)
   6 - Man file
   7 - Check correctness of entries in config file (and capitalization)
   8 - Key to force window update
   9 - Customization of window size
  10 - ~Internationalization
  11 - Some bugs with scrolling