anchor.diff:  # Group Subject Set
   Resources related to _Panoptes SubjectSets_
   
  -## SubjectSet [/subject_sets/{id}]
  +## SubjectSet [/subject_sets/{id}{?include}]
   Subject Sets represent collections of Subjects that are paired with a
   workflow of questions to be answered.
   
  
positive.code:   + per_page (optional, integer) ... number of items to include on a page default is 20
    + workflow_id (optional, integer) ... workflow queue belongs to
    + user_id (optional, integer) ... user id queue belongs to
      
  + Response 200
  
  
negative.code:                     "pairwise": false,
                      "grouped" : false,
                      "prioritized": false,
                      "primary_language": "es_MX",
                      "workflow_version": "22.1",
                      "content_language": "en_US",
                      "tasks": {
                           "interest": {
                               "type": "drawing",
                               "question": "Color some points",
                               "tools": [
                                   {"value": "red", "label": "Red", "type": "point", "color": "red"},
                                   {"value": "green", "label": "Green", "type": "point", "color": "lime"},
                                   {"value": "blue", "label": "Blue", "type": "point", "color": "blue"}
                               ],
                               "next": "shape"
                           },
                           "shape": {
                               "type": "multiple",
                               "question": "What shape is this galaxy?",
                               "answers": [
                                   {"value": "smooth", "label": "Smooth"},
                                   {"value": "features", "label": 'Features"},
                                   {"value": "other", "label": "Star or artifact"}
                               ],
                               "required": true,
                               "next": "roundness"
                           },
                           roundness: {
                               "type": "single",
                               "question": "How round is it?",
                               "answers": [
                                   {"value": "very", "label": "Very...", "next": "shape"},
                                   {"value": "sorta", "label": "In between"},
                                   {"value": "not", "label": "Cigar shaped"}
                               ],
                               "next": null 
                           }
                       },
                      "links": {
                          "project": "1",
                      }
                  }]
              }
  
  ### Retrieve a single Workflow [GET]
  + Parameters
    + include (optional, string) ... comma seperated list of linked resources to include in the response 
  
  + Response 200
  
  