Indicate Python 2.7 and Plone 4.3 compat

Author: duchenean

CHANGES.rst

@@ -5,7 +5,8 @@ Changelog
 1.0.4 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Compatible with Python 2.7 and Plone 4.3 in setup.py.
+  [aduchene]
 
 
 1.0.3 (2022-05-13)
@@ -21,6 +22,7 @@ Changelog
 - Fix mountpoints break bid.bang execution.
   [odelaere]
 
+
 1.0.1 (2022-04-15)
 ------------------
 

setup.py

@@ -24,6 +24,7 @@
         "Environment :: Web Environment",
         "Framework :: Plone",
         "Framework :: Plone :: Addon",
+        "Framework :: Plone :: 4.3",
         "Framework :: Plone :: 5.1",
         "Framework :: Plone :: 5.2",
         "Framework :: Plone :: 6.0",