Changes
- New config option for logbook columns: 
reset_timesto reset data at specific times of day. - New config option: 
logfile_max_linesto limit logfile size (defaults to 10000 lines). - Bugfix: crash when reading big integers from JSON structures.
 
reset_times to reset data at specific times of day.logfile_max_lines to limit logfile size (defaults to 10000 lines).