0.4.3
 - maintenance release (migrate to GitHub infrastructure)
 - experimental macOS builds
0.4.2
 - enh: merge training set and regressor selection into scheme selection
   (prevents confusion for users that are unsure what to choose)
 - enh: user rating is saved during rating, not afterwards
 - enh: rating containers for user rating can be reused explicitly
 - enh: qmap plot now better distinguishes between unavailable and
   invalid data
 - ref: migrate user rating output to nanite
0.4.1
 - fix: autoscaling according to fitting range did not work
 - fix: not possible to load .jpk-force-map files
 - ref: migrate qmap generation to nanite
0.4.0
 - migration to GitHub
