Better default sizes for text based widgets and menu managers
Better Menu refresh on custom text heights
Smarter positioning of menu bars and groups inside tabs
Fixes wrong include guard
Complete type hierarchy in Fl_Types doc
Window now derives correctly from Group
Menu Items now correctly (functionally in FLUID) derived form Button
Menu Buttons have a better hierarchy
Fixing two possible crash bugs where Input_Choice was assumed to be a Menu_
Hoping I have not degraded the original code!