Fixing missing patch from tasky's PR.
Improve monitor loop speed by eliminating per parent category SELECT counts
Revert category counts for now
Fixing changelog comment.
Second attempt at changing the category counts
Improving efficiency of DB::queryArray().
Merge branch 'dev-db' into dev

Conflicts:
	nzedb/db/DB.php
Updating changelog.
Merge branch 'dev-taskym-xxx' of https://github.com/taskym/nZEDb into taskym-dev-taskym-xxx
Merge branch 'taskym-dev-taskym-xxx' into dev
Chg: Plot to Blob, Compress plot, Fix: Selecting title