Write Stock Synthesis control file. Like SS_readctl, this
function is not fully developed.
SS_writectl(ctllist, outfile, overwrite = F, verbose = T)List object created by SS_readctl.
Filename for where to write new control file.
Should existing files be overwritten? Default=F.
Should there be verbose output while running the file? Default=T.
SS_readstarter, SS_readforecast,
SS_readdat, SS_readctl,
SS_writestarter, SS_writeforecast,
SS_writedat, SS_writectl