Setting __qualname__ is sufficient for pickling of DoesNotExist and
and MultipleObjectsReturned to work correctly.

Thanks Tim Graham for the review.

Thanks Eneko Illarramendi for the report and initial patch.

Thanks Tim Graham for the review.

Unknown if it was ever used.

Fixed #28688 -- Made admin's URLify.js skip removal of English words if non-ASCII chars are present.

Regression in fee42fd9.

Thanks Claude Paroz, Jon Dufresne, and Tim Graham for the guidance.

Fixed #28601 -- Prevented cache.get_or_set() from caching None if default is a callable that returns None.

Thanks Tim Graham for the review.

Follow up to fee42fd9.

Incorrect on Oracle.

Fixed #28596 -- Fixed QuerySet.bulk_create() and cascade deletion crash on Oracle when using more than 65535 parameters.

Thanks Tim Graham for the review.

Thanks Tim Graham for the review.

Also removed unused VariableDoesNotExist catching where failures are ignored.