Adding $refundPath and createRefundtoken to tokenFactory
Adding refund action to Paypal Pro Checkout
Adding Refund to api.php
Adding Refund to Payment Factory
Adding a note about Refunds on UPDAGRADE.md
Changing refundPath to last position of Signature
Making afterPath optional on createRefundToken
Calling refundPath on TokenFactory parent contructor call
Correcting TokenFactory calls on tests
Correcting GenericTokenFactory calls on tests
Passing refundPath to parent contructor call on GenericTokenFactory
Making afterPath optional on Token Factory interface
Refactoring api options array, making setOptions generic. Rebasing #227
Calling correct doCredit api method name, removing Request class and returning array on execute
[paypal-pro] refund.
Merge pull request #1 from formapro-forks/paypal-pro-refund

[paypal-pro] refund.
Merge remote-tracking branch 'payum/master' into paypal-pro-refund
fix tests
Merge branch 'paypal-pro-refund'