anchor.diff:  
   + Response 204
   
  -## Workflow Collection [/workflow{?page,per_page,sort,project}]
  +## Workflow Collection [/workflow{?page,per_page,sort,project_id}]
   A collection of _Panotpes Workflow_ resources.
   
   All collections add a *meta* attribute that is a hash containing
  
positive.code: ## Remove subject links [/collection/{id}/links/subjects/{link_ids}]
  Remove subjects from a collection.
  
  ### Remove links
  A user is permitted to remove subjects if they are the colleciton
  owner or have edit permissions.
  
  
negative.code:   + per_page (optional, integer) ... number of items to include on a
      page default is 20
    + sort (optional, string) ... field to sort by 'random' has special behaviour
    + workflow_id (optional, intger) ... filter to subjects belonging to
      a specific workflow. Required when sort is 'random'
    + subject_set_id (optional, intger) ... return subjects belonging to
      the identified subject_set
  
  + Response 200
  