usage: DiabloMiner -u myuser -p mypassword [args]
                   
 -d,--debug            enable extra debug output
 -f,--fps         target execution timing
 -g,--getwork     seconds between getwork refresh
 -h,--help             this help
 -o,--host        bitcoin host IP
 -p,--pass        password for host
 -r,--port         bitcoin host port
 -u,--user             username for host
 -w,--worksize    override worksize
 -x,--proxy       optional proxy settings IP:PORT<:username:password>