code: function Request_setStatusCode(code) {
          if (!Type.isNumber(code)) {
              throw new error.HttpError(500, {code: code}, "Status code must be number type");
          }
          this.statusCode = code;
      }
docs: @since 0.0.1
  @author Igor Ivanovic
  @method Request#setStatusCode
  
  @description
  HTTP status code