src/CarteBlanche/App/Loader.php
public static function autoload($classname) 
    {
        $classname = str_replace('\\\\', '\\', $classname);

        // already exists in application
        if (true===self::classExists($classname, true)) return $classname;

        // exists in internal application
        $cls = Kernel::CARTE_BLANCHE_NAMESPACE.$classname;
        if (true===@class_exists($cls, false)) return $cls;

        // from dependencies
        $tool_path = Locator::getToolPath($classname, true);
        if ($tool_path) {
            $cls_file = $tool_path;
        } else {
            $cls_file = (string) str_replace('\\', DIRECTORY_SEPARATOR, $classname.'.php');
        }
        if ($_f = Locator::locate($cls_file)) {
            return self::load($_f);
        } elseif (0!==error_reporting() && count(spl_autoload_functions())==1) {
            throw new ErrorException("Class '$classname' not found!");
        }
        return false;
    }
public static function autoload($classname) 
    {
        $classname = str_replace('\\\\', '\\', $classname);

        // already exists in application
        if (true===self::classExists($classname, true)) return $classname;

        // exists in internal application
        $cls = Kernel::CARTE_BLANCHE_NAMESPACE.$classname;
        if (true===@class_exists($cls, false)) return $cls;

        // from dependencies
        $tool_path = Locator::getToolPath($classname, true);
        if ($tool_path) {
            $cls_file = $tool_path;
        } else {
            $cls_file = (string) str_replace('\\', DIRECTORY_SEPARATOR, $classname.'.php');
        }
        if ($_f = Locator::locate($cls_file)) {
            return self::load($_f);
        } elseif (0!==error_reporting() && count(spl_autoload_functions())==1) {
            throw new ErrorException("Class '$classname' not found!");
        }
        return false;
    }
System autoloader : will load a class file

@param   string  $classname  The name of the class to load
@return  bool    TRUE if the class file has been found
@throws  \CarteBlanche\Exception\ErrorException if the class was not found