Repoze-folder

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- Add support for PyPy.

- Add support for Python 3.2, 3.3, and 3.4.

- Add support for testing on Travis.

- Drop support for Python 2.4 and 2.5.

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.. note::

This release is the last which will maintain support for Python 2.4 /
Python 2.5.

- Add support for continuous integration using ``tox`` and ``jenkins``.

- Add 'setup.py dev' alias (runs ``setup.py develop`` plus installs
``nose`` and ``coverage``).

- Move to GitHub.

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- Fix iteration bug due to use of ``_order`` as tuple.

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- Fixed persistence bugs in ordering support when adding or removing items.

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- Add support for ordering items in a folder.

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- Make ``remove`` return the removed object.

- Add ``pop`` method.