# RCSB_UTILS_EC HISTORY
 10-Dec-2019 V0.10 Initial package version
 15-Dec-2019 V0.11 Add getUniqueDescendants()
 09-Jan-2020 V0.12 Adjust criteria for testCache() method.
 10-Jan-2020 V0.13 Add includeSelf option to descendent generator methods.
 27-Jan-2020 V0.14 Consolidated exportTreeNodeList list from rcsb.exdb
 28-Jan-2020 V0.15 Adjust exception handling
