Depending on the RTC mode, the SSR subsecond register and AlarmSSR
differ when converted to/from a value in milliseconds
Correcting the formula in GetTime, GetAlarm/StartAlarm functions.
Update description (README) for BINary only mode use with getEpoch and setAlarmEpoch
Depending on the RTC mode, the SSR subsecond register and AlarmSSR differ when converted to/from a value in milliseconds Correcting the formula in GetTime, GetAlarm/StartAlarm functions. Update description (README) for BINary only mode use with getEpoch and setAlarmEpoch