This class can be used as a client of MSN messenger to implement bots or a Web based messenger. It can connect to MSN messenger server and authenticate on behalf of a given user. It can invoke custom callback functions to handle different types of events. The class can perform several actions with the specified MSN account like: - Setting the nick name - Adding, deleting or renaming a group of contacts - Adding or deleting a contact - Initiate chat sessions, send and receive chat messages