public MovieTitles SearchDvdCatalog(String search = "")
{
var url = String.Format(Constants.Culture, "{0}/{1}{2}", Constants.DVD,
"find", Constants.XML);
var getRequest = _connection.UnauthenticatedConnection(url);
var xml = getRequest.ToString();
return Deserializer<MovieTitles>.Deserialize(new MovieTitles(), xml);
}