Note: Starting from Yii 1.1.6 this extension is merged into the core framework and should be considered obsolete.
A bit improved error handler. For now it can show trace call arguments, show if method is called statically or dynamically and generally a bit more cleaner.
Add to your
'components'=>array( … 'errorHandler' => array( 'class' => 'ext.yiiext.components.improvedErrorHandler.EImprovedErrorHandler' ), ),