Starting in earnest on an overhaul of tz-lookup.
Re-added package.json.
Polygons with holes are now handled correctly.
Huge optimizations.
Bloop.
Tests pass so far.
Yay for fuzz-testing.
More fuzz tests.
More fuzz-tests.
Oh, South Sudan gained independence, thus adding a new TZID.
Optimized tz-lookup with a 5x performance boost.
Update.