Update Periscope.Debuggee

Author: zspitz

Debuggee/Periscope.Debuggee

@@ -1,11 +1,9 @@
-using Microsoft.VisualStudio.DebuggerVisualizers;
-using System.IO;
-using ExpressionTreeVisualizer.Serialization;
+using ExpressionTreeVisualizer.Serialization;
 using Periscope.Debuggee;
 
 namespace ExpressionTreeVisualizer {
     public class VisualizerDataObjectSource : VisualizerObjectSourceBase<object, Config> {
         static VisualizerDataObjectSource() => SubfolderAssemblyResolver.Hook("ExpressionTreeVisualizer");
-        public override object GenerateResponse(object target, Config config) => new VisualizerData(target, config);
+        public override object GetResponse(object target, Config config) => new VisualizerData(target, config);
     }
 }