Ver 1.11

1. Changed the nominalroll.csv value. Removed second class
2. Changed the name of NRcontroller to AttendanceController
3. Added new NRController.java
4. Added .contain function onto ClassController and CourseController
and StudentController
5. Added getID function for ClassController, CourseController
6. Added CheckStu to verify the way to check student.
7. Added consortium.psd.Attendance/Main.java

PS. Note
The NRController is yet to finish.