[Protocol] GameSpy 1 support with the games Unreal Tournament and Battlefield 1942. (#9)

* Initial files + unreal tournament

* Fix master_querant

* Split by delimiter and collect into hashmap

* Furter port to accept more packets

* Improve getting the server's values

* Some initial players parsing

* Players parsing

* Add error handling

* Add some more fields

* Add Battlefield 1942 support.

* Add query_vars and some docs

src/protocols/gamespy/mod.rs

@@ -0,0 +1,8 @@
+
+/// The implementation.
+pub mod protocol;
+/// All types used by the implementation.
+pub mod types;
+
+pub use types::*;
+pub use protocol::*;