Bugs
~~~~
-

Improvements
~~~~~~~~~~~~
- Use only termpap variables for FTerm::hideCursor()
- If t_exit_underline_mode == "\E[24m"
  -> implement t_exit_bold_mode with "\E[21m"
  -> implement t_exit_reverse_mode with "\E[27m"
- New behavior in FTerm::appendAttributes(...)
  - 1st: reset don't needed attributes (bold, reverse and underline)
         use 'sgr' for this, to do this in one step => 3rd is don't need
  - 2nd: set the foreground and background color
  - 3rd: set new attributes (bold, reverse and underline)

Missing Features
~~~~~~~~~~~~~~~~
- application menu
     - FMenuBar()
     - FMenu()
     - FMenuItem()

- 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