TODO

-Support all ansi escape codes
-Support all rxvt escape codes
-Support all terminfo escape codes
-Change font in qt terminal
-Support attributes (blink, underline)
-Control default background and foreground color of qt terminal
-Support cursor selection in QT
-Find out why terminal crashes somewhere in the Qt library when you swipe it up to close
-Scrollbar for qterm
-Tab support
-Clipboard
-PB Menu support
-Support for typing special characters in piekey
-Drop the workaround for Qt character code bugs, once it has been fixed.
-See if there's a more appropriate sound for "beep". The general notification has a really long duration.
-Support mulitple data stage formats (UCS-32 grid and array of UTF-8 strings)
-Clean up cmake for qterm on playbook
-Remove hardcoded resizing, qterm should be automatically fullscreen
-Think about how to make libterm thread-safe
-Build a trie for escape codes
-Use escape codes for the arrows and for the non-escape codes (like bel and backspace)