Doc: retrieve 4.0.2 changelog

Author: BoboTiG

CHANGELOG

@@ -6,6 +6,10 @@ History:
       - removed support for Python 2.7
       - MSS: improve type annotations and add CI check
 
+4.0.2   2019/02/23
+      - new contributor: foone
+      - Windows: ignore missing SetProcessDPIAware() on Window XP
+
 4.0.1   2019/01/26
       - Linux: fix several XLib functions signature (fixes #92)
       - Linux: improve monitors finding by a factor of 44