[Feature request] move / rename function

[callumacrae]

A move function would be helpful, and as far as I can see, also pretty easy to write.

I'm not so sure about a rename function—possibly a function which behaves pretty much the same as the move function, but doesn't change the directory?

fs.move('dir/file.js', 'dir/different-name.js'); // dir/different-name.js

fs.rename('dir/file.js', 'different-name.js'); // dir/different-name.js

Could be confusing though. Might be best just to stick to one function.

[SBoudrias]

Yeah, let's stick to a single function for now. I'd keep move as that's the terminal way of doing it.

PR welcome!

[blai]

implemented by #17