Changelog for ruby2.2-rubygem-power_assert-doc-0.2.4-7.3.x86_64.rpm :

* Sun Jul 19 2015 cooloAATTsuse.com- updated to version 0.2.4 no changelog found
* Mon Mar 02 2015 cooloAATTsuse.com- updated to version 0.2.3
* Wed Feb 11 2015 cooloAATTsuse.com- initial package, trying to parse the COPYING