2017-06-17: added last update check
2017-01-03: fixed inventory function for bad ino data
2017-01-03: fixed lastupdate check
2018-03-08: fixed lastuodate check (again :-(), changed snmp scan function
2018-03-15: code cleanup
2020-06-07: code cleanup
2020-06-08: changed snmp-scan function
2021-08-23: rewritten for CMK 2.0
2023-05-29: moved wato file to ~/local/lib/check_mk/gui/plugins/wato