Changelog for guetzli-1.0.1-1.156.x86_64.rpm :

* Tue Mar 21 2017 aloisioAATTgmx.com- Update to version 1.0.1
* fixed two crashes (#29 and 5de9ad8),
* made memory requirements more explicit.- Added source file URL.
* Mon Mar 20 2017 miukumacAATToutlook.com- Initial 1.0 Release