What's Changed
- fix failing tests by @sherrardb in #209
- extraneous request in _get_all() by @sherrardb in #211
- fix failing tests by @sherrardb in #214
- use consistent order when serializing form fields by @sherrardb in #215
- URI < 5.19 causes error when serializing undef billing_address[tax_id] by @sherrardb in #216
Full Changelog: 0.41...0.43