public function scan( $path, $extension = "php5" )
	{
		$this->count	= 0;
		$this->found	= 0;
		$this->list		= array();
		$finder	= new FS_File_RecursiveRegexFilter( $path, '@^[^_].*\.'.$extension.'$@', "@function @" );
		foreach( $finder as $entry )
		{
			$checker	= new FS_File_PHP_Check_MethodVisibility( $entry->getPathname() );
			if( $checker->check() )
				continue;
			$this->found++;
			$this->list[$entry->getPathname()]	= $checker->getMethods();
		}
		$this->count	= $finder->getNumberFound();
	}