2017-17-05: initial release
2020-06-08: changed snmp-scan function
2021-08-25: rewritten for CMK 2.0
2022-11-30: WATO: fixed CheckParameterRulespecWithoutItem (from CheckParameterRulespecWithItem)
2023-05-29: moved gui files to ~/local/lib/check_mk/gui/plugins/...