/// <summary>
/// XAuthentication is a method of creating a set of Credentials for Twitter based on Username and Password
/// Whilst this is in BoxKite.Twitter, it has not been fully tested
/// </summary>
/// <param name="xauthusername">user supplied Username</param>
/// <param name="xauthpassword">user supplied Password</param>
/// <returns></returns>
public async Task <TwitterCredentials> XAuthentication(string xauthusername, string xauthpassword)
{
var twittercredentials = await UserSession.XAuthentication(xauthusername, xauthpassword);
return(!twittercredentials.Valid ? null : twittercredentials);
}
