Listener handler methods fixed

src/main/java/com/corundumstudio/socketio/PacketListener.java

@@ -47,11 +47,11 @@ public class PacketListener {
             break;
 
         case MESSAGE:
-            socketIOHandler.onMessage(client, packet);
+            socketIOHandler.onMessage(client, packet.getData().toString());
             break;
 
         case JSON:
-            socketIOHandler.onJsonObject(client, packet);
+            socketIOHandler.onJsonObject(client, packet.getData());
             break;
 
         case DISCONNECT:

src/main/java/com/corundumstudio/socketio/SocketIOListener.java

@@ -21,9 +21,9 @@ public interface SocketIOListener {
 
     void onConnect(SocketIOClient client);
 
-    void onJsonObject(SocketIOClient client, Packet packet);
+    void onJsonObject(SocketIOClient client, Object data);
 
-    void onMessage(SocketIOClient client, Packet packet);
+    void onMessage(SocketIOClient client, String message);
 
     void onDisconnect(SocketIOClient client);