First of all, dealing the the "ye are gods" phrase. Actually, a good idea is to look at a dictionary closer to the times to help determine meaning. Wine nowadays is strictly alcoholic, back in 1611 it simply meant "the fruit of the vine". Gods can refer to deity, but it can also refer to people in high power, such as princes and kings. That is a possible explanation.
Sigurd, I am familiar with the controversy surrounding 1 John 5:7, I will respond to that later when I have studied what I have learned about it, I don't remember enough to respond to that right now.
Christ came to earth in human form in order to redeem mankind. Since sin was a result of man, redemption had to be by man (1 Corinthians 15:21). But it had to be by sinless man, and no man is sinless. That is why God had to take human form, because only a God-man can achieve both requirements.

Christ talks about the glory he left when he came down (John 17:5). He did not surrender his deity, as shown that he had power to raise himself from the dead. Yet other places say that God raised him from the dead. Only a God could raise himself from the dead. Yet this shows there has to be more than one aspect of God, the one who raises the dead part.
The Son, when quoting seeming inferiority to the Father, is speaking from his man state. Other passages clearly show he still retained his God state.
Sigurd, there is a doctrine of preservation, which states that God has perfectly preserved his Word. We accept that by faith, and I believe it to be the Authorized Version, otherwise known as the King James Version. That is why we interpret Scripture with Scripture, because it is God's (written) Word, so we can't treat it like a normal book.