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* Improved handling of `from_model`. You can now do the following without issues:
.. code:: python
form = Form.from_model(field__foo__class=Form.integer)
* The incorrectly named parameter `db_field` to `Form.fields_from_model` has been renamed to the correct `field`.
* The parameter `db_field` to `create_members_from_model` has been renamed to `member_params_by_member_name`.
* Better logic for figuring out which mode we're in when POST-ing
* Allow `None` as `endpoint_dispatch_prefix`.