dcrosta/flask-pymongo — pull request #31 by spikhoff (2013-07-30 06:21:11+00:00)
Title: When creating new file ObjectId will be returned. Also added optional kw...

It wasn't possible to send_file to client for example by ObjectId and save_file didn't return newly create file ObjectId.
This is very minor change (in compatibility, but major in functionality).