Make pinging the server with json work nicely
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Merge remote-tracking branch 'origin/commit_processing' into feature-serialize

Conflicts:
	app.py
Add ability to save and load todos to/from mongo
Add __init__ for models directory
Fix Todo.put always creating a new Todo in the db instead of updating the existing one
Patch class added
Merge branch 'master' of https://github.com/shriken/tint into commit_processing
Pre-testing