albeit they are dud wallet files, delete is not
recording the delete.
Something incomprehensible is happening with tracking the last file.
ui is useless for any useful purpose, it exists only so that
we have some ui that can be fixed up later to actually work
ui fails to track added names,
names are wrongly displayed in order added.
Painfully discovered that wxWidgets does not like it
if you do not handle the close event. Default
handling is broken, perhaps unavoidably because the base
object does not know about the derived object.
