Update broken KhalCalendar widget du to no backward compatibility from khal.
Update broken KhalCalendar widget du to no backward compatibility from khal.

To gather informations about appointments, KhalCalendar widget uses the khal
command 'agenda' with the option 'days'.

Snippet of khal changelog v0.9.0 - Backwards Incompatibilities section :

- renamed agenda to list
- removed days configuration option in favor of timedelta

This analyse led to these modifications in the widget :

Replace 'agenda' deprecated command by 'list'.

Update poll method du to 'list' command output changes.

ramnes/qtile,qtile/qtile,qtile/qtile,ramnes/qtile