Develop a Open Auth Framework for Foursquare.

Develop a sample website that uses the [login to view URL] framework to authenticate and store user tokens in a session. Must use the framework defined here. [login to view URL] User must be able to login via Oauth as defined here. [login to view URL] The OAuth must use a callback url to store the tokens. User must provide sample code where they check in to a location via oauth after authenticating.