Warm up is now an optional argument for '-b' flag. Also, other improvements to the script.
Warm up is now an optional argument for '-b' flag. Also, other improvements to the script.


Former-commit-id: aade94f55082b38a44069e557fff01e5a3299d62
HPI-SWA-Lab/SQPyte,HPI-SWA-Lab/SQPyte,HPI-SWA-Lab/SQPyte,HPI-SWA-Lab/SQPyte,HPI-SWA-Lab/SQPyte