* Fields generated from Hybrid Properties & Type hints now support Unions (Union[ObjectType1,OT2] or ObjectType1 | OT2)
* Support for Variant and types.JSON Columns
* BREAKING: Date&Time now convert to their corresponding graphene scalars instead of String.
* BREAKING: PG UUID & sqlalchemy_utils.UUIDType now convert to graphene.UUID instead of graphene.String
* Change: Sort Enums & ChoiceType enums are now generated from Column.key instead of Column.name, see #330

Signed-off-by: Erik Wrede <erikwrede2@gmail.com>
Co-authored-by: Nicolas Delaby <nicolas.delaby@infarm.com>
Co-authored-by: davidcim <david@cimaware.com>
Co-authored-by: Viktor Pegy <xtpvxt@gmail.com>
Co-authored-by: Ian Epperson <ian@epperson.com>