websocket: raise alarm on connectivity loss#21

edjaguilar wants to merge 2 commits intomasterbeademingstoestel/python_daemon:masterfrom

issue-6-An_alarm_should_be_raised_if_we_stop_receiving_pings_from_the_WebUIbeademingstoestel/python_daemon:issue-6-An_alarm_should_be_raised_if_we_stop_receiving_pings_from_the_WebUICopy head branch name to clipboard