Ontopint

What's Changed
* Add serializer by simontaurus in https://github.com/hampusnasstrom/ontopint/pull/3
* test: add tests for default and custom keys by simontaurus in https://github.com/hampusnasstrom/ontopint/pull/1

New Contributors
* simontaurus made their first contribution in https://github.com/hampusnasstrom/ontopint/pull/3

**Full Changelog**: https://github.com/hampusnasstrom/ontopint/compare/v0.0.5...v0.1.1

**Full Changelog**: https://github.com/hampusnasstrom/ontopint/compare/v0.0.3...v0.0.4

**Full Changelog**: https://github.com/hampusnasstrom/ontopint/compare/v0.0.2...v0.0.3

**Full Changelog**: https://github.com/hampusnasstrom/ontopint/compare/v0.0.1...v0.0.2

**Full Changelog**: https://github.com/hampusnasstrom/ontopint/commits/v0.0.1