Django-simple-history

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- Add support for Django 1.8+
- Deprecated use of ``CustomForeignKeyField`` (to be removed)
- Remove default reverse accessor to ``auth.User`` for historical models (gh-121)

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- Fix a bug when models have a ``ForeignKey`` with ``primary_key=True``
- Do NOT delete the history elements when a user is deleted.
- Add support for ``latest``
- Allow setting a reason for change. [using option changeReason]

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- Fix migrations while using ``order_with_respsect_to`` (gh-140)
- Fix migrations using south
- Allow history accessor class to be overridden in ``register()``

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- Additional fix for migrations (gh-128)

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- Removed some incompatibilities with non-default admin sites (gh-92)
- Fixed error caused by ``HistoryRequestMiddleware`` during anonymous requests (gh-115 fixes gh-114)
- Added workaround for clashing related historical accessors on User (gh-121)
- Added support for MongoDB AutoField (gh-125)
- Fixed CustomForeignKeyField errors with 1.7 migrations (gh-126 fixes gh-124)

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- Extended availability of the ``as_of`` method to models as well as instances.
- Allow ``history_user`` on historical objects to be set by middleware.
- Fixed error that occurs when a foreign key is designated using just the name of the model.
- Drop Django 1.3 support