Check that rsync protocol versions match before initiating transfer

[ammario]

So we can give the user a better error message than Exit Status 2

[stephenwithav]

Mind if I tackle this one?

I applied yesterday and want to demonstrate my Go proficiency.

Actions speak louder than words kinda thing. :)

[scsmithr]

Go for it.

Feel free to ping me when you have a PR up, and I can test it out against our Enterprise product.

[stephenwithav]

Will do. :)

[stephenwithav]

When #71 is merged, would you mind tagging some of the higher priority issues in code-server?

Anything that doesn't require a subscription I should have some time to knock out tomorrow.