Make purged program directory names in /tmp more unique
Add cron script to delete purged programs from /tmp every 30 minutes
Only apply program start delay to start condition now and reboot

But not to start condition timestamp.
Split stdio log redirection into individual and continuous mode

Individual Mode is the old log mode with a new log file per program
execution. In continuous mode all program executions log to the same
file: continouos-(stdout|stderr).log
Add program cron start condition to make cron repeat mode more usable
Fix typos in continuous log file timestamp