Release v0.0.6

Version bump

Release v0.0.5

Nested dataclass defaults, optional descriptions, helptext tweaks

Release v0.0.4

Improve internals: caching, pure functions, docs

Release v0.0.3

Various improvements: dynamic dataclasses, helptext, tests

Release v0.0.2

Support nested generics, more informative metavars

Release v0.0.1

Enum tests + fix