Solution for problem set 2 optional 1
Solution for PS2 Optional 1
Addedthe Read Me
5.07 Memoization hints
Add thank you message
Reformatted README.md
Add usernames of people who have commited
Merge branch 'master' of github.com:lbain/cs101

Conflicts:
	README.md
1.02 hints to markdown
Updated thank you section of README.
1.04 hints to markdown
Thanked myself.
Add lesson 12: happiness.
Fixed typo.
Merge branch 'master' into add-markdown
1.06 to markdown
Merge pull request #11 from lbain/add-lesson-12

Add lesson 12: happiness.
Merge pull request #10 from nadiavu/master

Solution for PS2 Optional 1
Undo some of the commits from a Git lesson
Merged README.md problems and other py to md file extension changes by others