What's Changed
- Impact difference in CountryID only if the billing is different than Null by @GrzegorzKrauze in #49
- Fix if state is not present default should be outdated
- Fix error in validation if purchase_data is for some reason emtpy
- Change error text to ask customer to refresh page (which fixes the empty purchase_data)
Full Changelog: 1.4.3...1.4.4