Changelog for pngcrush-1.7.66-1.el6.rf.i686.rpm :
Tue Sep 24 14:00:00 2013 Dag Wieers - 1.7.66-1
- Updated to release 1.7.66.

Wed Mar 20 13:00:00 2013 Dag Wieers - 1.7.53-1
- Updated to release 1.7.53.

Thu Oct 25 14:00:00 2012 Dag Wieers - 1.7.41-1
- Updated to release 1.7.41.

Sun Sep 23 14:00:00 2012 Dag Wieers - 1.7.27-1
- Updated to release 1.7.37.

Wed Aug 1 14:00:00 2012 Dag Wieers - 1.7.35-1
- Updated to release 1.7.35.

Mon Oct 24 14:00:00 2011 Dag Wieers - 1.7.20-1
- Updated to release 1.7.20.
- ...
- Changelog trimmed, see http://svn.rpmforge.net/svn/trunk/rpms/pngcrush/pngcrush.spec