/// <summary>
        /// Updates the project information in place
        /// </summary>
        /// <param name="project"></param>
        public void UpdateProject(Project project)
        {
            Uri uri = new Uri(this.EndPoint.AbsoluteUri + "api/projects/" + project.ProjectID.ToString());

            HttpWebRequest request = CreateRequestGET(uri);

            using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
            {
                if (response.StatusCode == HttpStatusCode.OK)
                {
                    using (StreamReader reader = new StreamReader(response.GetResponseStream()))
                    {
                        XDocument document = XDocument.Load(reader);

                        project.UpdateFromXElement(document.Element("Project"));
                    }
                }
                else
                {
                    this.HandleError(response);
                }
            }
        }
        /// <summary>
        /// Adds a new project to onDemand. Should be used in conjunction with Generate Quote to make a purchase. 
        /// </summary>
        /// <param name="projectName"></param>
        /// <param name="service"></param>
        /// <param name="products"></param>
        /// <param name="options"></param>
        /// <param name="referenceFiles"></param>
        /// <returns></returns>
        public Project AddProject(String projectName, Service service, IEnumerable<Product> products, ProjectOptions options, IEnumerable<File> referenceFiles = null)
        {
            // Check the service
            if (service == null)
            {
                throw new ArgumentNullException("service", "Must specify a Service to add a project");
            }

            // Check the service
            if (service == null)
            {
                throw new ArgumentNullException("service", "Must specify a Service to add a project");
            }

            if (!service.AcceptsProducts)
            {
                throw new ArgumentException("This service does not accept projdcuts.  Please use AddProject with files", "service");
            }

            if (options == null)
            {
                throw new ArgumentNullException("options", "Must specify project options to add a project");
            }

            if (options == null)
            {
                throw new ArgumentNullException("options", "Must specify project options to add a project");
            }

            options.Initialize(this, service);

            Project result = null;

            Uri uri = new Uri(this.EndPoint.AbsoluteUri + "api/projects/add");

            HttpWebRequest request = this.CreateRequestPOST(uri, new AddProject(projectName, products, options, referenceFiles));

            using (HttpWebResponse response = request.GetResponseWithoutException() as HttpWebResponse)
            {
                if (response.StatusCode == HttpStatusCode.Created)
                {
                    using (StreamReader reader = new StreamReader(response.GetResponseStream()))
                    {
                        XDocument document = XDocument.Load(reader);

                        result = new Project(document.Element("Project"), this);
                    }
                }
                else
                {
                    this.HandleError(response);
                }
            }

            return result;
        }
        /// <summary>
        /// Returns information about a project.
        /// </summary>
        /// <param name="projectId"></param>
        /// <returns></returns>
        public Project GetProject(Int32 projectId)
        {
            Project result = null;

            Uri uri = new Uri(this.EndPoint.AbsoluteUri + "api/projects/" + projectId.ToString());

            HttpWebRequest request = CreateRequestGET(uri);

            using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
            {
                if (response.StatusCode == HttpStatusCode.OK)
                {
                    using (StreamReader reader = new StreamReader(response.GetResponseStream()))
                    {
                        XDocument document = XDocument.Load(reader);

                        result = new Project(document.Element("Project"), this);
                    }
                }
                else
                {
                    this.HandleError(response);
                }
            }

            return result;
        }