Clean up API a bit #344

Job	Run time
Test documentation website generation	40s
Build distribution packages	21s
Cross-arch tests with nox	0s
Test with nox (ubuntu-20.04, 3.11, ci_checks_max)	1m 26s
Test with nox (ubuntu-20.04, 3.11, pytest_min)	56s
Cross-arch tests with nox	0s
Test package installation in different architectures	3m 13s
Test with nox	1s
Publish documentation website to GitHub pages	0s
Create GitHub release	0s
Publish packages to PyPI	0s
	6m 37s

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