ok, i was able to follow the patch instructions and get this mod patched and installed on 3.6.5 with the ishop mod. since most of you will not have any idea how to follow The_VarMaster 's patch instructions, i have attached the two patched files:
Download the original hack, then download these two files and put them in the proper locations below.
\upload\installer\class_installer.php
\upload\installer\hacks\rpg_integr_hack\install.ph p
You can see this mod working on the role playing forum i am currently working on:
http://www.myrpforum.com