///<summary>
///Update a Course
///</summary>
///<param name = "courseName">Name of course</param>
///<param name = "course">A Course object</param>
///<param name = "callback"></param>
public static void PutCourse(string courseName, Course course, PostCourseCallback callback)
{
RestClient.Put($"{databaseURL}course/" + courseName + ".json", course).Then(response => { callback(); });
}
///<summary>
///Create a Course
///</summary>
///<param name = "course">A Course object</param>
///<param name = "courseName">Name of course</param>
///<param name = "callback"></param>
public static void PostCourse(Course course, string courseName, PostCourseCallback callback)
{
RestClient.Put <Course>($"{databaseURL}course/{courseName}.json", course).Then(response => { callback(); });
}