fixes
fixed typo in PaymentMethodIntegrationTest
typo in readme
created IntegrationTest/HostedRequests/HandleOrder folder and moved (Get)PaymentMethodIntegrationTest there
renamed UnitTest PaymentMethodTest to GetPaymentMethodTest
skeleton for CreditTransactionIntegrationTest
added TestUtil::createOrder()
original creditTransaction integration test put on hold, set up alternative acceptance test
failing acceptance test for creditTransaction
added failing inital unit test for CreditTransaction
added WebPay::creditTransaction()
added CreditTransaction class
added setTransactionId() to CreditTransaction
added setCreditAmount() to CreditTransaction
refactored to use a fixture in CreditTransactionTest
added test for HostedXmlBuilder getCreditTransactionXML()
added getCreditTransactionXML to HostedXMLBuilder
added setCountryCode, prepareRequest
CreditTransactionIntegrationTest checks for doRequest response
CreditTransaction doRequest() done, HostedAdminResponse amended to accept creditTransaction responses as well.