Cleanup: Only one binary, rename it main

src/bin/lox_client.rs → src/main.rs

@@ -1,8 +1,6 @@
-// This seems like probably not the best way to do this, but it works.
-#[path = "../client_lib.rs"]
 mod client_lib;
 use client_lib::*;
-#[path = "../client_net.rs"]
+
 mod client_net;
 use client_net::HyperNet;