v1.6.5

Update to tz database 2019b.

v1.6.1

Update package dependency.

v1.4.0

Update to tz database 2018e.

v1.3.1

Update to tz database 2018d.

v1.3.0

Update to tz database 2018d.

v1.1.0

Now handles to-the-second resolution of UTC offsets, instead of dealing in only full minutes.