Efficiently compute time from local and GMT time

Changes for 1.32 - 2023-02-12

• This is an alternative to the changes in the 1.31 release. Instead of restoring "use integer", the code now explicitly handles non-integer seconds values. This fixes the confusing things that timelocal() does with non-integer seconds but does not turn the seconds value into an integer. Based on a bug report from Dmitriy Shamatrin. GH #18.

metacpan.org/dist/Time-Local