Small bug fixes, efficiency improvements
What's Changed
* Small fixes for use in punpy by pdevis in https://github.com/comet-toolkit/obsarray/pull/2
New Contributors
* pdevis made their first contribution in https://github.com/comet-toolkit/obsarray/pull/2
**Full Changelog**: https://github.com/comet-toolkit/obsarray/compare/v0.2.1...v0.2.2