Added Newtonsoft.Json to the client project.
Created an enum for the different types of request methods.
Implemented a class that handles json-> json web requests.
Created a class for handling id's.
Json requests handles errors directly, by throwing exceptions.
Added support for GET requests.
Implemented a Game class with constructor and game creation method.
Created a User class.
A Game contains a User element, which is set through the constructor.
A game can be joined through a static method.
Added description get/set property in Game.