Made User use long type for ssNumber again, fixed the hashCode method problem, and added a check for invalid ssNumbers in constructor.
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
Merge remote-tracking branch 'origin/master'
Made User use long type for ssNumber again, fixed the hashCode method problem, and added a check for invalid ssNumbers in constructor.
Merge remote-tracking branch 'origin/master'
Worked on ShoppingCart and Order