anchor.diff:              + `username` - Only the username
               + `email` - Only the email
   
  ++ Request
  +    + Headers
  +
  +            Authorization: Bearer <token>
  +
   + Response 200 (application/json)
       + Attributes (User List)
   
  
positive.code:     + name (string, optional) - The `username` of a user which is then taken as target for the operation
  
  + Request (application/json)
      + Attributes (object)
          + email: `some-new-chosen@email.com` (string, optional)
              
  
negative.code:     + slug (string, required) - The identifier of the entry that is unique within the namespace created by `organization`, `application` and `scope`
  
  + Request (application/json)
      + Headers
  
              Authorization: Bearer <token>
  
      + Attributes (object)
          + title: `Sample snippet for developers` (string, required)
  
  