public function deleteCharAt( $position )
	{
		$string	= "";
		for( $i = 0; $i < $this->count(); $i++ )
			if( $position != $i )
				$string .= $this->buffer[$i];
		$this->buffer = $string;
		if( $position == $this->pointer )
			$this->pointer++;
		return $this->toString();
	}