Zope-configuration

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- Fix Python 2.4 backwards incompat (itemgetter used with multiple args);
Python 2.4 now works (at least if you use zope.schema == 3.8.1).
This is the last release which will support Python 2.4 or 2.5.

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- Change action structures from tuples to dictionaries to allow for action
structure extensibility (merged chrism-dictactions branch).

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- Apply test fixes for Windows.

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- Correctly locate packages with a __path__ attribute but no
__file__ attribute (such as namespace packages installed with setup.py
install --single-version-externally-managed).

- Allow "info" and "includepath" to be passed optionally to context.action.

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- Prefer the standard libraries doctest module over zope.testing.doctest.

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- Jython support: use ``__builtin__`` module import rather than assuming
``__builtins__`` is available.

- Jython support: deal with the fact that the Jython SAX parser
returns attribute sets that have an empty string indicating no
namespace instead of ``None``.

- Allow ``setup.py test`` to run at least a subset of the tests that
would be run when using the zope testrunner: ``setup.py test`` runs
53 tests, while ``bin/test`` runs 156.