…vior in case of incorrect usage.
get_subclass method - thanks smacker!
--HG-- extra : transplant_source : %9F%EA%C6%81%1D%BE%AA%0BQ5%A7%ECs%0Dwb%B8%B15%60
…anks munhitsu for the report. Note that the tests added for this feature pass even without the change to InheritanceManager, because use_for_related_fields is broken in Django and always acts as if True for reverse FKs and M2Ms. (http://code.djangoproject.com/ticket/14891)
…o 1.1 support.
…g. FileField). Thanks zyegfryed for the fix and sayane for tests.