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Changes
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0.5 (2023-03-16)
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- Add support for Python 3,9, 3.10, 3.11.

- Use GitHub actions as CI.


0.4 (2019-11-29)
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- Migrate repository to Bitbucket.

- Migrate repository to GitHub.

- Made Python 3 compatible (tested with Python 2.7, 3.7 and 3.8).

- Replace bootstrap/buildout with tox.

- Increase test coverage to 100%.


0.3 (2009-10-08)
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- Added copy() method.

0.2 (2007-08-30)
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- Initial public release.
