Add "execute_deferred_sql()" calls, fix test_unique, add one (failing on MSSQL) test The test added is for changing a FK from null to not null.
Add "execute_deferred_sql()" calls, fix test_unique, add one (failing on MSSQL) test
The test added is for changing a FK from null to not null.

smartfile/django-south,smartfile/django-south