fix timezone "Z": "2019-11-28T04:44:46.79231Z" >> "2019-11-28T04:44:46.79231+00:00" issue: https://github.com/evilsocket/pwnagotchi/issues/708
fix timezone "Z": "2019-11-28T04:44:46.79231Z" >> "2019-11-28T04:44:46.79231+00:00" issue: https://github.com/evilsocket/pwnagotchi/issues/708