Log Message:
py-goocalendar: update to 0.7.0.

Version 0.7.0 - 2020-02-23
* Bug fixes (see mercurial logs for details)
* Use Gtk default font as font by default
* Manage non editable event
* Add support for Python 3.8
* Replace font-desc properties by font

Version 0.6 - 2019-10-05
* Add support for Python 3.7

Version 0.5 - 2019-03-22
* Use GTK+ 3
* Remove support for Python 2
* Add single day view

Version 0.4 - 2018-06-26
* Add support for Python 3

Version 0.3 - 2016-11-28
* Add support for goocanvas >= 2.0
* Add colors and font-desc properties to Calendar

Version 0.2 - 2015-02-11
* Bug fixes (see mercurial logs for details)