public static function directories( $dirs = null, $define = true )
	{
		if ( is_null( $dirs ) )
		{
			return static::$directories;
		}
		
		foreach( $dirs as $key => $dir )
		{
			static::$directories[$key] = $dir;
			
			if ( $define === true )
			{
				define( 'CCDIR_'.strtoupper( $key ), $dir );
			}
		}
	}