code: function prepareMeta(response, status) {
    switch(status) {
      case CODE_OK:
        response._meta = { "message": MESSAGE_OK,
                           "statusCode": CODE_OK };
        break;
      case CODE_NOTFOUND:
        response._meta = { "message": MESSAGE_NOTFOUND,
                           "statusCode": CODE_NOTFOUND };
        break;
      case CODE_NOTIMPLEMENTED:
        response._meta = { "message": MESSAGE_NOTIMPLEMENTED,
                           "statusCode": CODE_NOTIMPLEMENTED };
        break;
      case CODE_SERVICEUNAVAILABLE:
        response._meta = { "message": MESSAGE_SERVICEUNAVAILABLE,
                           "statusCode": CODE_SERVICEUNAVAILABLE };
        break;
      default:
        response._meta = { "message": MESSAGE_BADREQUEST,
                           "statusCode": CODE_BADREQUEST }; 
    }
  }
docs: Prepares and adds the _meta to the given API query response
  @param {Object} response JSON representation of the response
  @param {Number} status Integer status code