anchor.diff:              {"<gamer_id_2>" : { displayName : "gamer2", lang : "fr" } }
           ] }
           
  -## POST /v1/gamer/friends/{friendid}?{status}
  +### POST /v1/gamer/friends/{friendid}?{status}
   
   + Parameters
       + friendid (required, string) ... a gamer id
  
positive.code: 
  # Group Social features
  
  ## GET /v1/gamer/friends/{?status}
  
  + Parameters
      + status (optional, string) ... "blacklist" to retrieve the blacklisted gamer's
  
negative.code: 
  Your game has its own private Domain (see in FrontOffice dashboard) which you probably don't want to share
  but you can create other domains to share data between apps, or even between app-developers.
   
  ### Get gamer's data [GET]
  
  ###### Possible values for error 404
  * `Key not found` ... the specified key doesn't exist
  * `Domain not found` ... the specified domain doesn't exist
  
  + Parameters
      + domain (required, string, `private`) ... the domain where to retreive the key/value
  