anchor.diff:  ### List All modules  for a given Course [GET]
   
   + Response 200 (application/json)
  -
  -    + Body
  -
  -            {
  -
  -            }
  +    + Attributes (array[Module])
   
   ### Create a New Module  [POST]
   
   + Request (application/json)
   
  -        {
  -
  -        }
  +            {
  +              "title": "Gandalf comes to see Bilbo",
  +              "subchapters": ["test", "titles", "go", "here"],
  +            }
   
   + Response 201 (application/json)
  -
  +    + Attributes (Course)
       + Headers
   
               Location: /coursexs/1016dd7e/modules/bcfa43b4/
   
  -    + Body
  -
  -            {
  -
  -            }
  -
   ## Module [/coursexs/{course_uuid}/modules/{module_uuid}]
   
   + Parameters
  
positive.code: Deletes the association of a module from a CCX course.
  
  + Response 204 (application/json)
  
negative.code: ### Retrieve a Module [GET]
  
  + Response 200 (application/json)
      + Attributes (Module)
  
  ### Delete a Module [DELETE]
  
  