Trying out pekwm-0.1.4_pre2 resulted in an exception by CfgParser which was eventually rewritten by upstream. However, there was no new release yet, so i'm contributing this svn snapshot which is acknowledged as working by upstream. I've tested it and didn't found any issue. So please test and have fun :-)
Created attachment 69423 [details] ebuild for x11-wm/pekwm
0.1.5 should fix this, can you test?