Tweak versions

v3.2.1

Update composer.json

Support PHP8, bump PHP

v3.2.0

Update for php8 (#649)

Use Guzzle 7

Use Guzzle7 as default implementation (#615)

* Use Guzzle7 adapter as default implementation

Allow httplug 2.x

v3.0.2

Allow guzzle6 v2 adapter (#556)

v3.0.1: Merge pull request #502 from thephpleague/v3-5.6

Allow 5.6 and 7.0

v3.0-alpha.1

Tweak composer/travis

2.3.2

Merge pull request #221 from dercoder/master

ecoPayz Gateway added

v2.3.1

Move to The PHP League.

v2.3.0

• Add Coinbase gateway

v2.1.0

• Add CreditCard birthday and gender fields