Fixing missing patch from tasky's PR.
Chg: Plot to Blob, Compress plot, Fix: Selecting title
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