- Big change that might hinder backwards compatability, so it gets a new big number.
- Update code to work with tidyr >= 1.0.0.
- Update code to download xml to temporary directory instead of repeatedly querying the API servers.
- Depricate cfr_url()
- Updated code to work with the new Code of Federal Regulations API
- Maximum year increased from 2017 to 2018
- Added improved error checks in case XML format is off
- Initial release.