Yeah, the readme had a mismatch between the created folder and the copy to folder with a .oh extension.  That might have been confusing to some.  Is this the error that you were talking about?  

Just to be more clear, you might also consider adding a note as to where exactly to create the new folder that the CAB contents are to be copied into (Step 6).  It might not seem obvious to some.  I am assuming that it goes into the same folder as the CAB file, ie. the Panel folder.