- feat: introduce user-defined plugin features (105)
- fix: dclab-verify-dataset now also prints other errors it encounters
- fix: installing the "lmer" R package failed, because "statmod" was not
installed
- fix: correct data types for "fluorescence:sample rate",
"imaging: roi position x", and "imaging: roi position y" (124)
- enh: support new .rtdc attribute "online_contour:bg empty" which is
True when the online background image is computed only from frames
that do not contain any events (124)
- enh: `AncillaryFeature` now populates other ancillary features when they
share the same method (104)
- enh: dclab-verify-dataset now returns a non-zero exit code if there
were errors, alerts, or violations (120)
- ref: streamlined dataset check function for missing meta data keys