[Urwid] animation and widgets

[Ian Ward]

Leif Theden wrote:
> I wonder, though, is the entire screen rendered and drawn when the
> UI's "draw_screen" is called?  So, if the wait is set to .25 is that
> drawing too much to the terminal?
>   
the raw_display module only updates the rows that have changed, and the 
curses_display module can update down to the individual character, so it 
shouldn't be a problem either way. Try it out and if it's too slow post 
some of your code to the list and I might be able to help.

Ian