For the visitor controller to work properly, you need both of those files installed. BTW, I understand your thing with file names. It took me a long time to get over that.
The RTFM (which I see you found out what it means) is included in the zip archive with the hack files. Just redownload it if you don't still have it. The thread is
here.Owned business lots use a separate customer generator that the visitor controller doesn't 'control'. Pescado's customer selector fills in that gap nicely.