[Urwid] Escape sequences

[Max E. Kuznecov]

2008/4/24, Ian Ward <ian at excess.org>:
>
> I guess we have to do it properly then -- try the values from termcap
>  first, then fall back to the default interpretation.
>

Well, here's first quick-and-dirty patch
The only thing I'm not quite sure about is whether it's appropriate to
import curses in escape.py and call setupterm and tigestr(). It just
seemed to be the easiest way, otherwise the complete terminfo-acces
routine should be written from scratch, I suppose.

-- 
~syhpoon
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