anchor.diff:                "emails" : [ "email1@foo.com" ]
               }
   
  ++ Response 401
  +
  +        When the token is invalid or not provided.
  +
   
   ### Create a user [POST]
   + Request (application/json)
  
positive.code:               "userid": "123123abcd",
              }
  
  
  ## Logout [/logout]
  ### Log out from an existing session [POST]
  
negative.code:               "username": "user@tidepool.org,
                "emails" : [ "email1@foo.com" ]
              }
              
  + Response 401
  
          When the username/password combination fails.
  
  ### Refresh a session token [GET]
  
  