1.6.0

• Updated geoip2 dependency. This version adds the
  is_in_european_union attribute to geoip2.record.Country and
  geoip2.record.RepresentedCountry. This attribute is True if the
  country is a member state of the European Union.
• Added the following new values to the /payment/processor validation:
  • cybersource
  • transact_pro
  • wirecard