v8.6.710-fa

Merges in changes made in the upstream tclclockmod repo

What's Changed

• Merge upstream by @bovine in #10

Full Changelog: v8.6.709...v8.6.710-fa

tclclockmod v8.6.709

Fix installation issue of clock.tcl file

tclclockmod v8.6.708

Don't re-use cached base fields when TZ changed and using :localtime timezone

tclclockmod 8.6.707

fixed relative clock calculation on negative month offset over threshold of a year;

closes sebres#20

tclclockmod 8.6.706

close sebres#19: implements safe "catch" in clock NS - avoid overwrite of interp state by select and setup timezone (as well as in other "catched" blocks on lazy loading or initialization)

tclclockmod 8.6.705

Fix sebres/tclclockmod PR#18 misparse of "Jun".

tclclockmod 8.6.704

Incorporate "unixtime" ensemble command.

tclclockmod 8.6.703

• Fix date matching problems with excess whitespace.
• Bring up to date with sebres/tclclockmod

re-released with correct version in configure.ac

tclclockmod 8.6.702

Apply Flightaware DST fix