Odict

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- Get rid of annoying warning about "global" usage in ``bench.py``.
[jensens, 2011-09-20]

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- More ``copy`` testing.
[rnix, 2010-12-18]

- Add ``has_key`` to odict.
[rnix, 2010-12-18]

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- Fix release, README.rst was missing, added MANIFEST.in file to include it.
[jensens, 2010-11-29]

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- Full test coverage.
[chaoflow, rnix, 2010-08-17]

- Code cleanup and optimizing.
[chaoflow, rnix, 2010-08-17]

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- Access ``dict`` API providing class via function ``_dict_impl()`` and
provide odict logic as abstract base class ``_odict``.
[rnix, 2010-07-08]

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- Add test for bool evaluation.
[rnix, 2010-04-21]