Added some logging. Change Flask requirements so that we get newer versions.
Merge pull request #2 from nkavanagh/master

Use json.dumps accidentally committed to master instead of develop
Merge branch 'develop' of https://github.com/nkavanagh/gtfs-backend into develop

Conflicts:
	app/__init__.py
Removed need for an explicit list of feeds.
Putting a default configuration in the app itself
Removing settings file for now
Removed the external settings file for now.
Fixing conflict due to my pushed-that-last-one-a-little-too-quickliness. That's a thing.
Don't bother keeping a config var for the list of valid fields. Anything in the GTFS dir is fair game.
Removing some logging
gitignore .ropeproject. PEP formatted app/__init.py.
Added flask-cache. Fixed indentation.
Caching data using the filesystem.
Merge pull request #3 from nkavanagh/cache-output

Cache output
Updated README. Caching has changed the urgency of some TODO items.
Merge pull request #4 from nkavanagh/develop

Support for response caching using flask-cache