Internal method to support auto-refresh functionality.

def _Start_refresh_timer(self):
		""" Internal method to support auto-refresh functionality. """
		if self._refreshPeriod > 60:
			interval = self._refreshPeriod - 60
		else:
			interval = 60
		self._refreshTimer = Timer(self._refreshPeriod, self.Refresh)
		# TODO:handle exit and logout active connections. revert from daemon then
		self._refreshTimer.setDaemon(True)
		self._refreshTimer.start()