Time zone fixes
Aliases in the tzdata database were not being added to the timezone
data. Reported in GitHub issue #40.The UTC timezone is now named Etc/UTC instead of UTC to be in line
with the aliases.Newest zoneinfo data (tzdata 2022g).
Language fixes
Additions to the Polish translation. GitHub issue #41.Additions to several languages. GitHub issue #42.
Added some support for per-language parsing rules to respond to
GitHub issue #42.Documentation fixes
The version numbers in the change log was messed up due to a
skipped release (no new timezone fixes that time). Fixed.