Balloz/omnipay-paypal — pull request #1 by JonEllis (2014-10-28 16:51:38+00:00)
Title: Implement Voiding of authorisations

Implements DoVoid as per https://developer.paypal.com/docs/classic/api/merchant/DoVoid_API_Operation_NVP/

When payments are to be cancelled rather than captured.