PSR-0 Compliant autoloader.

autoloader.php

/**
 * Small PSR-0 compliant autloader
 */
<?php 
  set_include_path(get_include_path().PATH_SEPARATOR.__DIR__);
  spl_autoload_register(
    function ($c) {
      @include preg_replace('#\\\|_(?!.*\\\)#','/',$c).'.php';
    }
  );