Change the time location.

Clear.

Schedule a new periodic job.

Create a new job with the time interval.

Create a new scheduler.

NextRun gets the next running time.

Remove.

Run all jobs regardless if they are scheduled to run or not.

Run all the jobs with a delay in seconds A delay of `delay` seconds is added between each job.

Run all jobs that are scheduled to run Please note that it is *intended behavior that run_pending() does not run missed jobs*.

Run all jobs that are scheduled to run.

Max number of jobs, hack it if you need.

Class Scheduler, the only data member is the list of jobs.