hw 2
hw 2 try 2
test & data file for hw3
fixed hw 2 up to and including step 3
tests for recipe functionality
more test for recipe functionality (HW 3)
fixed test bug noted by chuy2412
fixed hw3 according to hw2 and finished step 1
Merge branch 'hw3-tests' into placeholder
Merge branch 'hw3-recipe-tests' into placeholder
hw 3 turn in