Update TODO.

Author: sirdoombox

App.xaml.cs

@@ -6,5 +6,5 @@
 // TODO: Checklist - Reimplement Checklists as a single control with bindable collections to improve performance.
 // TODO: Checklist - Try to get virtualisation working to improve performance.
 // TODO: ServerStatus - Layout + Functionality improvements
-// TODO: Faceting calculator from the ground up.
-// TODO: Engraving searcher from the ground up.
+// TODO: Engraving - UI Improvements - Most of the basic framework is there.
+// TODO: Faceting calculator from the ground up.