docs: public String addUserParamsToURL(String strURL)
      {
          strURL = Util.addURLParam(strURL, Constants.SYSTEM_NAME, this.getProperty(Constants.SYSTEM_NAME), false);
          strURL = Util.addURLParam(strURL, Params.USER_ID, this.getProperty(Params.USER_ID));
          if (this.getProperty(Params.AUTH_TOKEN) != null)
              strURL = Util.addURLParam(strURL, Params.AUTH_TOKEN, this.getProperty(Params.AUTH_TOKEN));
      	return strURL;
      }