Indexer schedules

You can determine time spans when an indexer should be selected. Don't ask why you would need that, it wasn't my idea...

Examples for possible values:

• mo: only use the indexer on mondays
• mo-fr: only use the indexer between monday and friday
• 10: only use the indexer between 10:00 and 10:59:59
• 10-12: only use the indexer between 10:00 and 12:59:59
• mo10-12: only use the indexer on mondays between 10:00 and 12:59:59
• mo-tu10-12: only use the indexer on mondays and tuesdays between 10:00 and 12:59:59

Week days are: mo, tu, we, th, fr, sa, su. All hours are inclusive, meaning the hour of the day needs to match the time span and minutes and seconds are ignored.

You can "break the barrier", i.e. write sa-mo or 22-6 or fr-tu22-6.