Updated changelog for version 1.7.13
Changes
=======
+Version 1.7.13
+--------------
+
+* Fix? calling functions to*() should output by default to stdout
+ By :user:`juarezr`, :issue:`632`.
+
+* Add python3.11 for the build and testing
+ By :user:`juarezr`, :issue:`635`.
+
Version 1.7.12
--------------
