Update README.md

Updated project
Support 2017.4

UnityStudio/GOHierarchy.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Windows.Forms;
+
+namespace UnityStudio
+{
+    public class GOHierarchy : TreeView
+    {
+        protected override void WndProc(ref Message m)
+        {
+            // Filter WM_LBUTTONDBLCLK
+            if (m.Msg != 0x203) base.WndProc(ref m);
+        }
+    }
+}