Additions
* Created Sphinx documentation of usage and API at http://pdb2pqr.readthedocs.io (#88).
* New command line tools added with documentation (163).
* Added support for reading QCD-format structure files (137).
* Added versioneer support for versioning (104).
* Made several APBS tools available as PDB2PQR scripts: `dx2cube` (98), `inputgen` (105), `psize` (106).
* Added code of conduct document (62).
Fixes
* Fixed faulty no-op logic in debumping routines (162).
* Fixed problem with element type in PDB output (159).
* Updated very out-of-date change log (153).
* Fixed atom-ordering problem in PDB output (134).
* Fixed REDVAT PDB record parsing (119).
* Fixed broken `--apbs-input` option (94).
* Fixed OS-specific file handing (78).
Changes
* PDB2PKA is still removed from the code base while refactoring for a code base that is more friendly to multiple platforms.
* Added Python 3.9 to testing (161).
* Enabled additional PROPKA output (143).
* Moved mmCIF support to external module `mmcif-pdbx` (135).
* Added formal PQR parser (97).
* Made failure due to missing backbone atoms more graceful (95).
* Moved some logging output from stdout/stderr to files (74).
* Increased testing (70, 73).
* Continued de-linting and refactoring (56, 122).