2.0.1 minor fixes
2.0.0 major release: Python3 upgrade, new API, minor UI changes, some bug fixes,
update WMM Coefficient
1.7.2 minor UI changes, minor python package updates
1.7.0 added Compass Rose OPTIONS: custom color, date format (YYYY) or
(YY-MM-DD), hide/show height
1.4.0 more Compass Rose enhancement, now conformal; added annual variation;
minor UI changes
1.0.9 fixes Norths direction when map is rotated; fixes inverted heading issue;
fix minor UI issue
1.0.6 bug fixes, many thanks to Geodrinx (https://github.com/geodrinx)
1.0.5 some bug fixed , minor language updates, fix minor UI issue
1.0.0 initial release
