Queries for filename of "None" are expected, change logging to INFO
Make sure that when a book is opened it gets the focus in the editor
Set cursor at proper time in new, old books
Fix recursive entry to focus_me from tabwidget, also simplify close code
Fiddle with event-display debug code
Change from FocusIn to Show event for panel display, as it works immediately after book
creation and FocusIn does not work until a keystroke is received.