Readme update
Remove some old WordPress 3.2 back-compat
Informative message when `SAVEQUERIES` is set defined as false
Split some of the db_queries output into separate methods
Tidy up
Switch back to priority of 0 on the shutdown hook so we can output headers in AJAX responses
Move some Util methods into more relevant classes
Some prep for clickable stack traces
CSS tweaks
Even more robust backtrace filtering
Clickable stack traces for queries
More comprehensive and better separated logic for determining whether QM should perform its processing and perform its HTML output
A dispatcher can return boolean `false` for a particular collector in order to not output it
Remove unnecessary logic left over from our backtrace improvements
Bring the redirects collector and header output up to date
Remove unnecessary theme customiser code; don't output HTML for any asynchronous request
Minor visual fix: Firefox doesn't seem to like box-shadow/outline combination
Merge branch 'pr/44' into develop
Always return `true` by default for our PHP error handler to suppress things like Xdebug output
Remove some unnecessary `function_exists()` calls