anchor.diff:  If `score` is omitted it is calculated from `property`.
   
   + Request (application/json)
  -    [Annotation][]
  +
  +        {
  +            "property": {
  +                "propertyName": "title",
  +                "value": "A title"
  +            }
  +        }
   
   + Response 201 (application/json)
       [Annotation][]
  +
  +
  +### Delete all annotations for a Work [DELETE]
  ++ Response 200 (application/json)
  +
  +        []
   
   
   ## Lookup works by URI [/lookup{?uri,offset,count,include}]
  
positive.code: This does not delete the underlying Media instance, just the link to it.
  If this was the last link to the Media, it will be garbage collected eventually.
  
  + Response 204
  
  
  ## Media collection [/works/{workID}/media{?annotations}]
  
negative.code: 
  + Response 200 (application/json)
  
          [{ "id": "..." }, { "id": "..." }]
          
  
  ### Unlink all Media from a Work [DELETE]
  Convenience method to unlink all medias, rather than one by one.
  
  + Response 200 (application/json)
  
          []
          
  
  
  ### Create a new Media for an existing Work [POST]
  
  