Lets look at it this way. In reality, the moon is round. I tell you that it is actually square the first time I describe it to you. Then, after realizing my mistake, I tell you it is indeed round. Based upon my description, which should it be?
You are again missing the point that the immigration act of 1795 never redefined the term natural born citizen. They simply switched to using the shorter term citizen. Thus the new act said nothing about who was or was not a natural born citizen let alone shed any light on what the constitution meant when it uses that term.