2020-11-03  initial release
2021-03-01: rewrite for CMK 2.x
            renamed from checkpoint_asg_tests to checkpoint_asg_diag
2021-03-03: fixed date/time in parse function
2021-09-10: fixed duplicate detail output
2021-09-11: added option for last run asg diag verify
2023-05-30: moved gui files to ~/local/lib/chek_mk/gui/plugins/...