Bootstrapping Kohana to just use it's libraries

lite_bootstrap.php

function __autoload( $sClass )
{
	// Your own autoload code goes here
	// Failed to load, try Kohana's autoloader
	// Bootstrap it first
	if ( !defined('SYSPATH') )
	{
		define('SYSPATH', ROOT.'kohana/system/');
		define('APPPATH', ROOT.'kohana/application/');
		define('EXT', '.php');
		require_once( SYSPATH.'core/Kohana'.EXT );
		require_once( SYSPATH.'core/utf8'.EXT );
		require_once( SYSPATH.'core/Event'.EXT );
		Kohana::config('core');
		Kohana::include_paths(true);
	}
	if ( Kohana::auto_load( $sClass ) )
		return true;
	if ( Kohana::auto_load( "{$sClass}_Core" ) )
		return true;
	return false;
}