Set changelog to stable version

Author: rhpvorderman

CHANGELOG.rst

@@ -8,10 +8,10 @@ Changelog
 .. that users understand how the changes affect the new version.
 
 
-version develop
+version 1.7.2
 -----------------
 + Use upstream ISA-L version 2.31.1 which includes patches to make 
-  installation possible.
+  installation on MacOS ARM64 possible.
 + Fix a bug where bytes were copied in the wrong order on big endian
   architectures. Fixes test failures on s390x.
 + Enable building on GNU/Hurd platforms.