Fixed ISOTP Interpreter Window - It functions again.

Also added UDS decoding to the ISOTP window. An attempt is made to see
if a frame looks like UDS and then it is decoded.

Also, some code clean up to remove some compiler warnings. There's a
LONG way to go still.

canfilter.h

@@ -13,7 +13,7 @@ public:
 public:
     uint32_t ID;
     uint32_t mask;
-    int bus;
+    uint32_t bus;
 };
 
 #endif // CANFILTER_H