Sapphire-config

2023-07-25 Todd Valentic
- Add set() and options() to component config
- Remove getter mapping, use config

2023-07-24 Todd Valentic
- Add Rate.nexttime()
- Allow int, float or timedelta in Rate constructor
- Fix Rate repr (period was shown for offset)

2023-07-17 Todd Valentic
- Change Rate offset default to be 0 instead of None

2023-07-05 Todd Valentic
- Fix python-dateutil dependency