Get the Staff List. 

This is an authenticated listing of all Staff. 

Each Staff member is represented by a TClie. The collection of staff is represented by a List of TClie. 

A token is passed for authentication. If the authentication fails, or other errors occur, no staff members are returned. The result of the authentication is represented by a TAuthenticate object. 

This function has security level "Protected", and can only be accessed by users that have explicitly been granted permission to the API.

[WebMethod(Description = "Gets a list of all staff members")]
public TAuthClieList GetStaff(string sToken);