public function toLowerCase( $firstOnly = FALSE )
	{
		$oldString		= $this->string;
		if( $firstOnly && !function_exists( 'lcfirst' ) )
		{
			$this->string	= strtolower( substr( $this->string, 0, 1 ) ).substr( $this->string, 1 );
			return $this->string !== $oldString;
		}
		$method			= $firstOnly ? "lcfirst" : "strtolower";
		$this->string	= call_user_func( $method, $this->string );
		$this->string	= strtolower( $this->string );
		return $this->string !== $oldString;
	}