# RCSB_UTILS_CHEMREF HISTORY

  1-Nov-2018  - V0.10 Created module supporting DrugBank and CCDC model mapping
  8-Dec-2018  - V0.11 Add export of loadable DrugBank object.
 10-Dec-2018  - V0.12 Adjustments for DrugBank schema compliance
  7-Jan-2019  - V0.13 Qualify default section name in config path lookup
 25-Jan-2019  - V0.14 DrugBank schema extension
 29-Jan-2019. - V0.15 Add context filtering feature in module ChemCompDataPrep
 31-Jan-2019  - V0.16 Make copy of all category and attribute lists on remove cycles.
 16-Feb-2019    V0.17 add drugbank_container_identifiers.
 23-Mar-2019  - V0.18 adjust item name for affected_organisms
 10-Apr-2019  - V0.19 add atc_codes
 25-Jun-2019  - V0.20 Update development workflows
 12-Aug-2019  - V0.21 Refactor DrugBank workflow
