Fix mloginfo --queries but no queries in log file
Merge branch 'fix-no-queries-in-log' of github.com:gianpaj/mtools into gianpaj-fix-no-queries-in-log
mloginfo: don't crash when there are no queries to parse. Fixes #252 and #213 and #240.
Merge branch 'gianpaj-fix-no-queries-in-log' into develop