added solution for old McDonald Problem
set up solution for problem number 2
added solution for problem 3
added optional problem solution
Merge branch 'pset3_solutions' of https://github.com/nickdotreid/runestone into nickdotreid-pset3_solutions
bonus problem solution without nested iteration
added sample hangman game
Merge branch 'assignments' of https://github.com/nickdotreid/runestone into nickdotreid-assignments
added ? in url to separate query params
moved index to top of file for clarity
added code to kick user back to homepage if tries to access assignments and not logged it
added links to assignments page
added message for no recorded answers
put assignments into alphebetical order
added problem list to assignments page
added filter for problems to show only student answers
added reset filters button to detials page