2020d

Zone Changes

• Update some Canadian zones as follows (#90)
  • Use OSM timezone relations in entirety for the following zones: America/Blanc_Sablon, America/Glace_Bay, America/Halifax, America/Swift_Current, America/Toronto
• Add disputed area along Northwest Bhutan-China border.
• Manually add back the Jungholz Village to Europe/Vienna (#93).
• Update to latest OSM data

Other Changes

• Switch command line flag processing to use the yargs library. Existing flags have changed: --no-validation` and --filtered-zones have been renamed to ``--skip_validation and --included_zones respectively. --included_zones now takes a list without quotes or commas.
• Addition of new flags: --excluded_zones, --dist_dir, --downloads_dir, --skip_analyze_diffs, --skip_shapefile, --skip_zip. See --help and README.md for details.
• Remove unneeded downloaded files from downloads directory before creating input data zipfile (#82).
• Junk directory names when zipping data for releases
• Add ability to generate a difference of the zone boundaries between the current config and the latest release. (#83).