anchor.diff:                          "tutorial": true
                       },
                       "created_at": "2014-08-20T06:23:12Z",
  -                    "created_at": "2014-09-21T08:22:22Z",
  +                    "updated_at": "2014-09-21T08:22:22Z",
                       "links": {
                           "user" : "33",
                           "project": "81"
  
positive.code:   + per_page (optional, integer) ... number of items to include on a page default is 20
    + sort (optional, string) ... field to sort by
    + user_id (optional, integer) ... user_id to see preferences for
    + project_id (option, integer) ... project_id to see preferences for
  
  + Response 200
  
  
negative.code:                 "collections": [{
                      "id": "101",
                      "created_at": "2014-04-20T06:23:12Z",
                      "updated_at": "2014-04-20T06:23:12Z",
                      "name" : "flowers",
                      "display_name": "Lots of Pretty flowers",
                      "visible_to": [],
  