- Added support for Python 3.3, 3.4 and 3.5.
- Fixed ability to use this package without having puzpy package installed.
- Added support for Python 3.2.
- Added support for .puz puzzles.
- Fixed reading .ipuz puzzles that do not have a solution element.
- Fixed reading .ipuz puzzles that do not have Across and/or Down clues.
- Fixed writing .ipuz puzzles to only include "block" and/or "empty" when specified.
- Initial release.