Order

Features and fixes

- New test setup, fix linter errors. (06c7f3a)
- Add coverage tests. (9d60163)
- Add null value to variable. (a6e99cc)
- Fix varible y-axis title. (063a184)
- Expose UniqueObjectMeta. (d65f80c)
- Define proper singluar and plural names on unique classes. (2656f21)

Changes

- Fix linting. (5365c7b)
- Use GitHub actions. (39891ac)
- Update copyright. (0d5fedb)
- unique_tree: add depth_first & include_self to walk functions. (15) (e347b56)
- Add a small function for pretty print od.Processes. (14) (70c5cf6)

- Make UniqueObjectIndex pickleable (13) (d8917cf)
- Update op replacement in selection joining. (0028798)
- Propagate TagMixin to most classes. (f6204c3)

- Handle extend_*() and clear_*() methods in unique trees. (48af44c, 12)
- Update default number of parents in unique_tree decorator. (daad126)
- Fix inconsistent handling of context in names(), ids(), keys(), values(), items(). (a83bf77)
- Removed automatic instance_cache clearing. (e00c454)
- Add get_{leaf,root}_objs to unique trees. (6acf0a9)
- Fix unique tree properties. (38caf9a)
- Change some signature docs for unique object trees. (f2b9dd6)
- Add get_first and get_last methods to UniqueObjectIndex. (439135e)

- Allow variable expression to be a callable. (5ae80f8)

Updates

- Mention class in Duplicate{Name,Id}Exception. (ca62c4d)
- Disentangle object context and index context. (2ff6b58)


Fixes

- Fix __getattr__ handling in DotAccessProxy (9). (88680fe)