Bugs
~~~~
-

Improvements
~~~~~~~~~~~~
- Every OSC sequence ("\033]") should have been a special prefix and
  postfix sequence for screen and tmux:

  screen =          "\033P" + OSC + control sequence + "\a\033\\"
  tmux =   "\033Ptmux:\033" + OSC + control sequence + "\033\\"

Missing Features
~~~~~~~~~~~~~~~~
- list/tree view with Columns
     - FListView()
---------------------------------------
     /
     ├──► bin
     ├──▼ usr
     │  ├──► bin
     │  ├──► lib
     │  └──► local
     └──► tmp
---------------------------------------

- Add a window switcher on the right side of the status bar
- Add a scrolling area with on-demand scroll bars for FButtonGroup