0.3.0 Release

[0Hughman0]

Todo:

• Change default time format (Date format should be extended to include time too. #78)
• Split TierBase into multiple base classes (TierBase should be split up #117)
• Make Project completely in control of managing hierarchy (Tiers should get their parents and children from the Project #126)
• Move Project into core (Tiers should get their parents and children from the Project #126)
• Remove deprecated serialize, cache and children_df (Pandas is a very heavy dependency. Perhaps child_df should be moved to an extension. #103)
• Add Pydantic checks (Make meta verify objects are JSON serialisable before insertion. #119)
• Implement Project API hooks (What to do with 'official' extensions? #134)
• Incorporate cas-deps as an official extension (What to do with 'official' extensions? #134)
• Create shared_project class, (Consider Sharability #115)
• Worry about our globals and caches, are these being handled right?
• Make jl_gui the default, move ipygui to be an official extension (What to do with 'official' extensions? #134, a bit!)
• Remove __getattr__ in TierABC (Deprecate __getattr__ for TierABC #129)

Doc updates:

• Add doc strings for cas_lib.
• Add docs for sharing
• Switch recommended project.py to my_project.py or cas_project.py

Migration tools

• Provide tool to migrate created meta values to pydantic compatible format e.g. from DD/MM/YYYY to YYYY-MM-DD