Fiddle with refresh() logic
commentary changes
Add a signal when metadata has been loaded, so charview can refresh.
Add a get_char method
Add chars panel and access to it and chardata
Fix brainless bug, and set book modified on refresh
Implement book.make_me_visible() using mainwindow.make_tab_visible()
Use book.make_me_visible to show Find on ^F or call from other panel
Code complete and tested