py-urwid: updated to 2.5.1

2.5.1

New features

Columns special case: FIXED pack with not enough info

Bug fixes �泄ｷ

Windows and WSL: SI/SO/IBMPC_ON/IBMPC_OFF skip

Documentation

Documentation: add Gitter badge to the README.rst

Refactoring

Extend Command enum and update Columns & Pile
Fix double Widget inheritance in the LineBox
Optimization: RAW display block read
Typing: correct annotations for Canvas.content

Other Changes

Typing: Make WidgetWrap and WidgetDecoration Generic

(adam)