upgrade shoulda
update some gems
allow token use in MongoDB cappedCollections
Prevents stack level too deep error
Includes a content-type for unauthorized requests

Rack::Lint will complain about a 401 return that doesn't include a content type
Merge pull request #42 from connexio-labs/stack-overflow-error

Prevents stack level too deep error
Merge pull request #43 from connexio-labs/rack-lint-error

Includes a content-type for unauthorized requests
Merge pull request #41 from cstuss/master

allow token use in MongoDB cappedCollections
Merge pull request #39 from mulderp/gem_updates

Gem updates
Fixed merge conflict
Version 2.8.1
Add support for custom primary keys
upgrade shoulda
update some gems
allow token use in MongoDB cappedCollections
Fixed merge conflict
Version 2.8.1
Merge branch 'custom-pk'