Added subscription to handler list so subscription can be accessed from handler.

SubscriptionHandler.h

@@ -8,17 +8,16 @@
 
 namespace core
 {
-
+   class Subscription;
    class TCPSession;
 
-   class SubscriptionHandler
-   {
+   class SubscriptionHandler {
 
    public:
-      virtual int process(coreutils::ZString &request, std::stringstream &out, TCPSession &session) { return 0; }
-      
+      virtual int process(coreutils::ZString &request, std::stringstream &out, TCPSession &session, Subscription *subscription) { return 0; }
+
       virtual int onSubscribe(TCPSession &session) { return 0; }
-      
+
    };
 }