Make 'Debugger failed' message more informative.

Now gives users more info to act upon when they get the debugger failed message

ObjC/PonyDebugger/PDDebugger.m

@@ -174,7 +174,7 @@ - (void)webSocket:(SRWebSocket *)webSocket didCloseWithCode:(NSInteger)code reas
 
 - (void)webSocket:(SRWebSocket *)webSocket didFailWithError:(NSError *)error;
 {
-    NSLog(@"Debugger failed");
+    NSLog(@"Debugger failed with web socket error: %@", [error localizedDescription]);
     _socket.delegate = nil;
     _socket = nil;
 }