* delete the room/floor hashes we store in the session (here too..)
drwxr-xr-x - citadel
drwxr-xr-x - contrib
drwxr-xr-x - ctdlphp
drwxr-xr-x - ctdlsalearn
drwxr-xr-x - ctdlsh
drwxr-xr-x - libcitadel
drwxr-xr-x - webcit