Update to work with Django REST Framework 2.3.8+
There is an outstanding issue in DRF 2.3.8+ where serializers that do not handle getting data from None instances cannot show the raw data form in the browsable API list view. This is because this field initializes a serializer with None and tries to build data from that
Update the settings to set ATTACHMENT_STORAGE by default, and support redis URLs without passwords
Add logging in the serializers module