added purchase and authorize method of samurai
added purchase and authorize method of samurai

agiliq/merchant,digideskio/merchant,spookylukey/merchant,SimpleTax/merchant,biddyweb/merchant,agiliq/merchant,digideskio/merchant,mjrulesamrat/merchant,SimpleTax/merchant,mjrulesamrat/merchant,biddyweb/merchant,spookylukey/merchant