EDIT

ref #2335 fix preferredRepresentation for DescriptiveDataSet with no representation

ref #6581 add TaxonName.nomenclaturalSource_id and adapt constructor visibility for DescriptionElementSource

fix #7405 Rename WorkingSet to DescriptiveDataSet

fix #2335 Make WorkingSet IdentifiableEntity

cleanup

ref #6241 replaced @created by @since in cdmlib

ref #6241 change @date to @since (fix)

ref #6241 change @date to @since

ref #7357 fix clone for quantitativeData and StatisticalMeasurementValue

cleanup and move clone test methods to specific classes