Add argument/var to customize progress udpate frequency; added edge case handling for too many open file handles; removed timing report
Add argument/var to customize progress udpate frequency; added edge case handling for too many open file handles; removed timing report

jun-wan/scilifelab,SciLifeLab/scilifelab,SciLifeLab/scilifelab,kate-v-stepanova/scilifelab,senthil10/scilifelab,senthil10/scilifelab,SciLifeLab/scilifelab,jun-wan/scilifelab,SciLifeLab/scilifelab,senthil10/scilifelab,kate-v-stepanova/scilifelab,jun-wan/scilifelab,senthil10/scilifelab,kate-v-stepanova/scilifelab,jun-wan/scilifelab,kate-v-stepanova/scilifelab