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- C API has been changed in one place: crc_finalize() -> crc_final().
- Python API has been changed. It is now finally established in the
folowing way; crc.name instead of crc.crc_name in most of cases.
- Python doc-strings update.
- Fix for error in Python definition of crc.predefined_models.
- Python tests have been added.
- Changes and fixes for support of Python2.
- Minor setup improvements.