Vendor differences notes
Dave Mitton (DJM) 2/11/99

bsac13 - no tunnel support - all "t" flagged attributes changed to "r"
            no tunnel keywords, removed, clear password
bsac15 - tunnel support added
bsac20
bsac21 - accounting attributes controlled by account.ini - remove "a" flags

merit35 - regular VSAs
merit41 - Tunnel VSAs have tag datatype
    
