Fix Clipboard crashes with ExternalException (#23) by @r4dius

Got ExternalException on clipboard copy once, can't reproduce but it seems setDataObject will help with 10 automatic retries spaced by 100ms

Windows/Main.cs

@@ -865,7 +865,7 @@ private void copyToolStripMenuItem_Click(object sender, EventArgs e)
 
                 if (text.Any() && !text.All(x => String.IsNullOrEmpty(x)))
                 {
-                    Clipboard.SetText(String.Join("\n", text));
+                    Clipboard.SetDataObject(new DataObject(DataFormats.Text, String.Join("\n", text)));
                 }
                 else
                 {