0.4.0

• Add region name alternates #32
• Cache Region#parent_name #33
• Use hash tables to look up regions by code #36

0.3.0

• Add code alternates for Japan #23
• Add code alternates for Puerto Rico #24
• Record multiple parents per region #27
• Add region.building_number_may_be_in_address2 #28
• Lookup by parent-child ISO and CLDR codes for dual-status territories
  #29
• Handle ISO_CODE only zones lookup #26

0.2.0

• Add Region#group and Region#group_name #15
• Ensure Region#has_zip? returns a boolean for all regions #17
• Zip normalization bugfix when parent isocode is not set #6
• Update region parent when alternates are defined #18
• Add partial matching for Region#valid_zip? #19

0.1.1

• Fix issue publishing to rubygems.org
• Initial worldwide release