- Fixed bug when mapping an edge's properties introduced as a regression in newer gremlinpython versions.
- updated to use aiobremlin v3.3.4 in order to get the correct dependency tree.
- Fixed dependency requirement allowing Goblin to run on python v3.7+.
- Added Immutable meta-property
- Added optimistic locking on-creation.
- Fixed incorrect hashable id handling on Janusgraph.
- Updated to run on newer versions of gremlin-python, 3.4.3 is the latest compatible version.