Added test to check content-available from getPayload() func
Added test to check content-available from getPayload() func

telemaque/ZendService_Apple_Apns,boboldehampsink/ZendService_Apple_Apns,barryvdh/ZendService_Apple_Apns,Doka-NT/ZendService_Apple_Apns,nagodon/ZendService_Apple_Apns