Added kwargs to doc.save to help interop with django (#223, #270)

docs/changelog.rst

@@ -4,6 +4,7 @@ Changelog
 
 Changes in 0.7.10
 =================
+- Added kwargs to doc.save to help interop with django (#223, #270)
 - Fixed cloning querysets in PY3
 - Int fields no longer unset in save when changed to 0 (#272)
 - Fixed ReferenceField query chaining bug fixed (#254)

mongoengine/document.py

@@ -164,7 +164,7 @@ class Document(BaseDocument):
 
     def save(self, safe=True, force_insert=False, validate=True,
              write_options=None,  cascade=None, cascade_kwargs=None,
-             _refs=None):
+             _refs=None, **kwargs):
         """Save the :class:`~mongoengine.Document` to the database. If the
         document already exists, it will be updated, otherwise it will be
         created.