1 - thanks for the plugin, it is great .
2 - your plugin (0.3) sends an error
Headers already sent .
This will happen only on some server configurations (not all)
To fix this, you just need to make sure that there are no white spaces, carriage returns etc, after the last line.
It is a known problem of WP .
You can find more about it here :
Another good practice (and sometimes the cause of said error) is to CLOSE all the
<?php tags with
After fixing those two issues the problems are solved and the plugin is great .
BTW - the same apply for the Debug bar plugin.