EDIT

ref #5676 fix NPE when clazz is not passed as paramter to getUuidAndTitleCache()

fix #9825 implement deduplication for list(Set) methods in term and vocabulary services

cleanup

revert out comment code

javadoc and minor

cleanup

ref #9825 fix failing vocDto test

add javadoc and cleanup

add schema updater for next schema update

ref #9825 revert "failing" deduplication and add test showing that deduplication works on dao level