add support for documented readonly option... also print out the option that is unknow so that the user knows what (s)he did wrong..
add support for documented readonly option...
also print out the option that is unknow so that the user knows what (s)he
did wrong..

MFC after:	3 days

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase