Allow to see rooms of incompatible versions in the lobby For the new clients the room version is shown in a separate column. There is also a hack for previous versions clients: the room vesion specifier is prepended to the room names for rooms of incompatible versions, and the server shows 'incompatible version' error if the client tries to join them.

[package]
name = "chat_sanitizer"
version = "0.1.0"
authors = ["Andrey Korotaev <a.korotaev@hedgewars.org>"]
edition = "2018"

[dependencies]
unicode_skeleton = "0.1"
itertools = "0.8.0"