Version 1.5.6
update trs (calculate time series according to time zone of timeseries, add parameter 'cpms' to compensate the insufficient amount of the millisecond bit for datetime, output data with datetime which has 'POSIXct' as coltype and has same time zone with input);
update ofp and loh to seperate m,p-Xylene into m-Xylene and p-Xylene equally.