public bool Initialize(Uri perculusBaseUri, string apiUsername, string apiPassword)
        {
            if (Initialized)
            {
                _lastError = "Service is already initialized.";
                return(false);
            }
            _authHeader = new AuthHeader()
            {
                Username = apiUsername,
                Password = apiPassword
            };

            PerculusBaseUri = perculusBaseUri;
            return(true);
        }
        public bool Initialize(Uri perculusBaseUri, string apiUsername, string apiPassword)
        {
            if (Initialized)
            {
                _lastError = "Service is already initialized.";
                return false;
            }
            _authHeader = new AuthHeader()
            {
                Username = apiUsername,
                Password = apiPassword
            };

            PerculusBaseUri = perculusBaseUri;
            return true;
        }