anchor.diff:  
   + Parameters
       + friendid (required, string) ... a gamer id
  -    + status (required, string) ... must be one of ["add", "forget", "blacklist"]
  +    + status (required, string) ... must be one of [`add` | `forget` | `blacklist`]
   
   + Request (application/json)
   
  
positive.code: Both `gamer_id` and `gamer_secret` are returned by `/v1/gamer/login`.
  
  **Note:** It is your responsibility to store these to help the user log in later (in RAW mode).
  
  
  ## POST /v1/gamer/login
  
negative.code: 
  + Parameters
      + q (required, string) ... the value to match with
      + limit = `10` (optional, number) ... number of desired responses
      + skip = `0` (optional, number) ... skip the `skip` firsts responses
  
  + Request
  
  