Bug fixes and command line args

Setup command line args;
1: runs, 2: sim time: 3: output file, 4: output incr, 5:loglevel,
6,7,8,9:number of rt,lrt,pt and mt traders respectively, 10 start of
trader time range, 11 end of range, 12 wait at finish
Fixed bugs in LimitMarketRule and LimitLimitRule where in a very small
number of cases a trader could trade with itself which is illegal.