Use 0.0.0.0 over 127.0.0.1

[T145]

https://github.com/StevenBlack/hosts#we-recommend-using-0000-instead-of-127001

It also has the side benefit to transmit fewer bytes over the wire.

Some of your sources use one or the other, so stick to one format.

[iam-py-test]

@T145 thank you!
I was considering that
I used to have two; one with 127.0.0.1 and one with 0.0.0.0, but then I switched from running Python scripts on my computer to running them on GH, rewrote everything, and it got forgotten.

[iam-py-test]

I will handle this after I fix the issue which occurred on 4323714, as this will be very major

[iam-py-test]

@T145 thank you!