Fixed issue #8, adding use_for_related_fields = True to
Added PassThroughManager. Thanks Paul McLanahan.
Added pending-deprecation warnings for InheritanceCastModel,
manager_from, and Django 1.1 support. Removed documentation for the
deprecated utilities. Bumped ChoiceEnum from pending-deprecation to
Fixed issue #6, bug with InheritanceManager and descriptor fields (e.g.
FileField). Thanks zyegfryed for the fix and sayane for tests.
updated SplitField to define get_prep_value rather than get_db_prep_value.
This avoids deprecation warnings on Django trunk/1.3, but makes SplitField
incompatible with Django versions prior to 1.2.
added InheritanceManager, a better approach to selecting subclass instances
for Django 1.2+. Thanks Jeff Elmore.
added InheritanceCastManager and InheritanceCastQuerySet, to allow bulk
casting of a queryset to child types. Thanks Gregor Müllegger.
added manager_from (thanks George Sakkis)
added StatusField, MonitorField, TimeFramedModel, and StatusModel
(thanks Jannis Leidel)