.classesdelete [class name] : deletes a class by the name classname (alias: .ccreate)
.classescreate [class name] : creates a class by the name classname (alias: .cdelete)
.taskadd [classnumber] [taskname] : creates a task taskname in class with classnumber (alias: .tadd)
.taskdelete [classnumber] [taskname] : deletes the task taskname in class with classnumber (alias: .tdel)
.tasklist [classnumber] : lists all of the tasks in the class with classnumber
.classeslist : lists all of the classes that are created