Pystow

What's Changed
* Add subsection support by cthoyt in https://github.com/cthoyt/pystow/pull/59


**Full Changelog**: https://github.com/cthoyt/pystow/compare/v0.4.8...v0.4.9

What's Changed
* Add zip xml I/O by cthoyt in https://github.com/cthoyt/pystow/pull/56
* Fix bug when writing config to empty files or files missing the desired section (thanks sgbaird!)


**Full Changelog**: https://github.com/cthoyt/pystow/compare/v0.4.7...v0.4.8

What's Changed
* Fix typo by sgbaird in https://github.com/cthoyt/pystow/pull/48
* Clarification that ensure_csv uses tab separations by sgbaird in https://github.com/cthoyt/pystow/pull/52
* Add ensure BZ2 by cthoyt in https://github.com/cthoyt/pystow/pull/55

New Contributors
* sgbaird made their first contribution in https://github.com/cthoyt/pystow/pull/48

**Full Changelog**: https://github.com/cthoyt/pystow/compare/v0.4.6...v0.4.7

What's Changed
* Add functions for ensuring SQLite by cthoyt in https://github.com/cthoyt/pystow/pull/46
* Adds ensure gunzip command for single files by cthoyt in https://github.com/cthoyt/pystow/pull/47
* Update configuration error messages by cthoyt in https://github.com/cthoyt/pystow/pull/44


**Full Changelog**: https://github.com/cthoyt/pystow/compare/v0.4.5...v0.4.6

What's Changed
* Generic ensure by mberr in https://github.com/cthoyt/pystow/pull/43


**Full Changelog**: https://github.com/cthoyt/pystow/compare/v0.4.4...v0.4.5

What's Changed
* Ensure pickle gz by cthoyt in https://github.com/cthoyt/pystow/pull/42


**Full Changelog**: https://github.com/cthoyt/pystow/compare/v0.4.3...v0.4.4