Escape username for invalid URL characters (ie. spaces)

[tylersweat]

Using Python3's built-in urllib package, escape the username so that the Hiscores will still work for a username containing a space without throwing an exception.

Before:

After:

[Coffee-fueled-deadlines]

While a good idea, I'd rather not import an additional library (urllib) to fix an issue with a space in the name. Most likely I'll use a .replace(" ","%20") do accomplish the same thing without the need for an additional library. Thank you though.

[tylersweat]

I'll go make that change.