Upgrade to support 3DS v2.x

What's Changed

• Add support for Redsys EMV 3DS v2.x

New Contributors

• @daneastmond made their first contribution in #7

Full Changelog: v3.1.0...v3.2.0

EMV 3DS support

Add support for EMV 3DS to the redirect version of the Redsys gateway

v3.0.0

Update to Omnipay 3, and switch away from mcrypt in favour of OpenSSL for encryption.

v2.1.0

Add support for the webservice (2-party, SOAP-based) version of the Redsys gateway.

The original gateway has been renamed from 'Redsys' to 'Redsys_Redirect'. This is a breaking change for anyone using v2.0.x.

Unit tests still at 100%.

v2.0.1

This is mostly a tidying up release:

• More method documentation
• Simplify consumer language lookup
• Add full support for upper-case responses
• Throw proper exception when no merchant parameters are provided by the response
• Add more unit tests (now at 100% coverage)
• Add code coverage checks to Travis
• Add Scrutinizer badges