Fix 'undefined index file' when handling the stack trace of eval()'ed code
Add "Track stack traces for queries" option (default disabled) On the debug output page, displays a stack trace under the explain table.
Fix error when reporting a slow query.
Now reports slow transactions. May get confused with nested transactions. May not capture all transactions. May invalidate assumptions if using a non-default/custom profiler
Allow slow query threshold to be less than 1 second
Allow slow query threshold to be configured from AdminCP Thanks @NixFifty