public string Get(int projectId, int branchId)
        {
            GitBranch branch = new GitBranch { Id = branchId, ProjectId = projectId };

            try {
                return branch.ToJson();
            } catch (Exception exception)
            {
                Response.StatusCode = Convert.ToInt16(HttpStatusCode.InternalServerError);
                return new Error { Exception = exception }.ToJson();
            }
        }