What's Changed
* Update sources for OBO database ingest by cthoyt in https://github.com/biopragmatics/pyobo/pull/197
* Use internal writer for OBO Graphs by cthoyt in https://github.com/biopragmatics/pyobo/pull/198
* Cache SO names by cthoyt in https://github.com/biopragmatics/pyobo/pull/199
* Improve model validation code by cthoyt in https://github.com/biopragmatics/pyobo/pull/200
* Add global switch for turning on ID checks by cthoyt in https://github.com/biopragmatics/pyobo/pull/201
**Full Changelog**: https://github.com/biopragmatics/pyobo/compare/v0.11.0...v0.11.1