EDIT

ref #5952, ref #5951 add identityCache formatting to SpecimenOrObservationBase cache strategies

fix #6865 add colon seperator for collection code <-> number and add factory methods for DerivedUnitDefaultCacheStrategy

cleanup

cleanup

ref #9702 add factory method for Collection

ref #9678 implement cache strategies for field unit and derived unti within cdmlib model

cleanup and return empty Set (not null) for getOriginals

cleanup

ref #5573: remove resetTitleCache in setMedia()

ref #5573: reset titleCache for setMedia in mediaSpecimen