- Update to version 3.4.1 * add `pyproject.toml`, see #233 * implement `bits2bytes()` in C. * optimize `delslice()` when `step` is larger than about 5. * consistently name `*_span()` and `*_range()` in C for invert, set and count. * organize and add tests. OBS-URL: https://build.opensuse.org/request/show/1278168 OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-bitarray?expand=0&rev=64