Changes :
- added search (s and S)
- added thread name to display
- added ____ separator instead or .... for the last post so you can tell
- you can now backspace anytime in text prompt
- if you enter nothing in the text prompt, it will have the same effect as if you quitted it
- fixed thread browsing that restarted at the top once you reached the end
- fixed ommited posts count
- cleaned code a bit
- minor changes in formating