This allows organisations/individuals with their own job time spacing, used by run_nm() when threads > 1.
job_time_spacing(seconds)Optional numeric value. Values correspond to what will be set.
if seconds is missing, will return value of
getOption("job_time_spacing") otherwise will set option job_time_spacing.
job_time_spacing()
#> [1] 0
job_time_spacing(1)