fixed spelling of "character" in docstring
DOC: TYPO: Update widget.py
fix+test for zero-weighted items in Pile
test to reproduce tracebacks in #39
fix for #39 Pile.mouse_event error on empty pile
fix for #33 screen+tmux w/o terminfo flag bce
slightly better fix for #33 screen+tmux TERM
fix for #25 raw_display+moving app into background

Conflicts:

	urwid/raw_display.py
fix Padding invalidation on width/align change
test for exception due to user encoding

Conflicts:

	urwid/tests/test_widget.py
fix for exception due to user encoding
fix Terminal: retry on select interrupted
use codecs.encode for python2.6 compatibility
without the errors= keyword
link to soon-coming urwid.org home page
drop -dev from version 1.1.2
update CHANGELOG