v0.9.1

Full Changelog: v0.8.14...v0.9.1

Python 3.13 support, custom constructor API, and significant refactor of internals.

What's Changed

• typing.Annotated workaround for pydantic v1 in #187
• Primitive handling rewrite in #189
• Start struct handling rewrite in #191
• Fix dictionary + numeric tower edge cases introduced by new primitive API in #192
• Numeric tower improvements + test in #193
• setuptools => hatchling in #196
• Helptext, docs fixes in #199
• Support Python 3.13 in #200
• More complete custom constructor docs, refinements in #201

Full Changelog: v0.8.14...v0.9.1