Enable switching Unicode modes at runtime; lots of Keycode cleanup again

setup.cfg

@@ -3,7 +3,8 @@ exclude = .git,__pycache__,vendor,.venv
 max_line_length = 99
 ignore = X100, E262
 per-file-ignores =
-	user_keymaps/**/*.py: F401,E501
+# Allow crazy line lengths, unused variables, and multiple spaces after commas in lists (for grid alignment)
+	user_keymaps/**/*.py: F401,E501,E241
 	tests/test_data/keymaps/**/*.py: F401,E501
 
 [isort]