anchor.diff:      + page (optional, integer) ... index of the collection page, 1 is default
       + per_page (optional, integer) ... number of items on a page. 20 is default
       + sort (optional, string) ... fields to sort collection by. id is default
  -    + include (optional, string) ... comma seperated list of linked resources to include
  +    + include (optional, string) ... comma separated list of linked resources to include
   
   + Request
   
  
positive.code:   + per_page (optional, integer) ... number of items to include on a page default is 20
    + sort (optional, string) ... field to sort by id by default
    + project_id (optional, integer) ... filter workflows by project id
    + include (optional, string) ... comma seperated list of linked resources to load
  
  + Request
  
  
negative.code: 
  ### Retrieve a single CollectionPreference [GET]
  + Parameters
    + include (optional, string) ... comma separated list of linked resources to load
  
  + Request
  
  