class ISO3166::Translations

Also allows “indifferent access” to the hash, so you can use strings or symbols
to pt to prevent from showing nil values
E.g. if a country has translations for pt, and the user looks up pt-br fallback
Extend the hash class to allow locale lookup fall back behavior

def [](locale) 

def [](locale)
  translations = locale.is_a?(String) ? super(locale.to_sym) : super
  return translations if translations
  super(locale.to_s.sub(/-.*/, '').to_sym)
end