Fix Readme reference and clarify Python 2.7 status

The-42 · The-42 · commit e57df6f29140 · 2020-10-20T21:45:27.000+02:00
Signed-off-by: Bert van Hall &lt;bert.vanhall@gmx.de&gt;
diff --git a/MANIFEST.in b/MANIFEST.in
@@ -1,4 +1,4 @@
 include AUTHORS.rst
 include LICENSE.txt
 include NEWS.rst
-include Readme.rst
+include README.rst
diff --git a/README.rst b/README.rst
@@ -25,7 +25,7 @@ restrictions.
 Supported Python versions
 -------------------------
 IntelHex library supports Python 3 (3.5 or later) only. The 2.2.1 release was
-the last one which supported Python 2.7 and Python until 3.5.
+the last one which has been checked against Python 2.7 and Python 3 until 3.5.
 
 Install
 -------
