refactor SagePay signature checking and added some extra logging info to diagnose problems which can be turned on and off (to prevent giving away security information in production)
Merge branch 'dev_to_core' into dev
PHPDoc fixes. Closes #85
Merge branch 'core' into dev_to_core
Merge branch 'dev_to_core' into dev
Add MultiSafepay gateway. Closes #84
bug fixes
fix SagePay DirectAuthorizeRequest to handle Tokens if present
Merge branch 'master' of https://github.com/adrianmacneil/omnipay into dev_to_core
Merge branch 'dev_to_core' into dev
Merge branch 'dev' of github.com:damphlett/omnipay into dev