Merge pull request #10 from bmschmidt/master

Master into dev merge
Merge branch 'master' into dev
turning off disk caching as default
cache thresholds
some cleanup for bibliography_query
Merge branch 'dev' of github.com:bmschmidt/BookwormAPI into dev
Merge branch 'dev' of github.com:bmschmidt/BookwormAPI into dev
New caching strategy
First bits of new pandas approach
Working pandas API
Adding support for some more esoteric queries and groups
patching up settings for Dunning return
Attempted fix of numpy int64 json decoding error
adding support for Bookworm-Mallet extension
allowing dunning with text counts as well
Merge branch 'pandas' of github.com:bmschmidt/BookwormAPI into pandas
Update README.md
log parsing helper
supporting topic models
adding API testing code