update to Unicode 11.0.0 (closes bpo-33778) (GH-7439) (GH-7470)

Also, standardize indentation of generated tables.
(cherry picked from commit 7c69c1c0fba8c1c8ff3969bce4c1135736a4cc58)

Co-authored-by: Benjamin Peterson <benjamin@python.org>
9 files changed