I was exercising through this 2014's old blog post by Drew Kerrigan where he builds a bare bones, command line-based, chat application, with a client that send messages and commands to a server. This is Elixir pre-1.0, and because it's an exercise I refactored the original code and merged the server (ex_messenger) and client (ex_messenger_client) projects into an Elixir Umbrella project and you ca