anchor.diff:  Rokfor is still in early stage, the API might change and will be
   extended for sure.
   
  -# Group Contributions 
  +# Group Contribution 
   
   Contributions are the main elements containing data. 
   They are defined by templates, so the returned json data is
  
positive.code:  
  + Response 200 (application/json)
  
  
  
  
  # Group File
  
negative.code:     + verbose: true (boolean, optional) - Higher verbosity level.
          + Default: false
  
  ### Read Contributions [GET]
  
  + Request (application/json)
  
  