release 1.7.2

fix filefield update and back to None.

release 1.7.1

fix null value for FileField

release 1.7.0

• Add filefield/image support via custom storage
• add JSONField support

release 1.6.3

add support for Model.objects.none() which previously raised an error. now it does not query the backend and return an empty result

release 1.6.2

add «SKIP_CHECK» option in db settings

release 1.6.1

drop support of older django release, now support 1.11 (lts)