Added/Renamed the exceptions, that are thrown, if the rate-limit is exceeded

[facebook-errors] / src / test / resources / unauthorized.txt

{
  "algorithm":"HMAC-SHA256",
  "issued_at":1394983544,
  "user":
  {
    "country":"de",
    "locale":"de_DE",
    "age":
    {
      "min":21
    }
  }
}