ex 6 in lab 2 is working
ex 7 in lab 3 is working
Insert working now?
added classes for lab 4, part 1
for lab 4 Merge branch 'master' of https://github.com/michaelghay/cosc460
working on lab4 ex1
working more lab4 ex1
working more lab4 ex1
one test still failing for lab4 ex 1
Merge pull request #17 from lyeary/master

updating lab 4
Merge pull request #4 from farahfouladi/master

updating lab 4