public int compareTo(Alignment other)
	{
		if(this.alignSize>other.getAlignSize())
			return 1;
		else if(this.alignSize<other.getAlignSize())
			return -1;
		else
		{
			if(this.iscScore>other.getIscScore())
				return 1;
			else if(this.iscScore<other.getIscScore())
				return -1;
			else
				return 0;
		}
	}