1. Review homework
2. Challenge for bank tests.

Based on your Week 4 Lab (Students, Books, Library tables):

1. Create Student, Book and a Libary Class as your POCO classes.
2. Create a LibraryManager Class that will allow a user:
3. Create students
4. Create Books
5. Checkout Books
6. Return books
7. Create a unit test project to put tests for the following scenerios.
8. When adding a student, their age is calculated correctly
9. When checking out a book the check out date is set correctly and the expected return date is set to 1 month after the check out date.
10. When a book is checked in - the actual return date is the right day and the expected return date is set to null.