Connect connects to the server using the address provided and returns a new client.

ErrAlreadyLoggedIn means the RCON client was already logged in but a second login attempt was made.

ErrInvalidPassword means the password used in the RCON login was incorrect.

ErrNotAuthenticated means the client attempted to execute a command before a login was successful.

ErrNotConnected means the client attempted to send data but there was no connection to the server.

Client is a client for interacting with RCON and contains multiple methods.