Upgrade fonttools to 4.19.1

Test: make
Change-Id: I4ab74ae6ca9f96da56b09599920f941d5aff4283
diff --git a/setup.py b/setup.py
index 5e3226c..7f13122 100755
--- a/setup.py
+++ b/setup.py
@@ -441,7 +441,7 @@
 
 setup_params = dict(
 	name="fonttools",
-	version="4.19.0",
+	version="4.19.1",
 	description="Tools to manipulate font files",
 	author="Just van Rossum",
 	author_email="just@letterror.com",