----- bug fixes: various ID expansion cleanups, remove redundancy in ID prefixes (ie: DBSNP) upgrade to linkml-1.0.5 to address some issues with the context.jsonld file
2.2.3
----- bug fixes: inverse predicate is_a hierarchy for 'affects' vs. 'affected by'
2.2.2
----- UMLS->STY prefix management adding back in missing mixins for increases/decreases amount activity of.
----- add original_subject and original_object edge properties refactor id prefixes in chemical hierarchy remove spurious mapping
2.1.0
----- remove gene and polypeptide (and children) from chemical entity is_a hierarchy add chemical entity and gene or gene product mixin add chemical entity and polypeptide and protein mixin add fda approval status enumeration and definitions remove is_a parents from exposure classes add prefixes back to protein