--------------------------- - 2021-08-06: Fixes inserting a segment with an open contour, 601 (thanks typemytype!)
0.9.10
--------------------------- - 2021-03-09: Update to Defcon 0.8.0 (thanks justvanrossum!)
0.9.9
--------------------------- - 2021-02-13: Fixed import of version. (573, thanks gyscos!)
0.9.8
--------------------------- - 2021-02-11: Add support for quadratic curves with no on-curve points in Contour and Segment. (572, thanks typemytype!)
0.9.7
--------------------------- - 2020-12-23: Change to github actions for CI and release. - 2020-12-18: fontShell returns `None` when referenced file name doesn't exist for an `Image` (567, thanks typemytype)
0.9.6
--------------------------- - 2020-09-06: fontShell has `changed()` implemented now