Changes for version 1.03 - 2019-09-25
- ADD "Seconds since start of day" (sssss - zero-padded, ssss0 - not)
- ADD "Minutes since start of day" (mmmm and mmm0)
- ADD "Number of week of the month" (m)
- Fix "Number of week of the year" - wasn't working correctly.
- Date::Time2fmtstr - Functions to format Perl time integers to strings based on a "Picture" format string.