* Add attribute to customer * Add coinbase constant * Add European test nonce
3.12.0
* Add support for new SEPA workflow
3.11.1
* Fix test failures in Python 3.3+
3.11.0
* Accept additional params in PaymentMethod.create()
3.10.0
* Add 3D Secure transaction fields * Add ability to create nonce from vaulted payment methods
3.9.0
* Support Coinbase accounts * Surface Apple Pay payment instrument name in responses * Expose subscription status events * Support SEPA bank accounts for customer * Improve documentation