example status

Example	Parses	Runs	Original
add.hs	No	No	Yes
cat.hs	Yes	Yes	Yes
first.hs	Yes	Yes	Yes
flipflop.hs	No	No	Yes
hello-1.hs	Yes	Yes	Yes
hello-2.hs	Yes	Yes	Yes
hello-3.hs	Yes	Yes	Yes
hi.hs	Yes	Yes	Yes
name.hs	Yes	Yes	Yes
null.hs	Yes	Yes	Yes
quiz.hs	Yes	Yes	Yes
simple.hs	Yes	Yes	Yes
tic.hs	No	No	Yes
reverse.hs	Yes	Yes	No
reverse-2.hs	Yes	Yes	No
reverse-3.hs	Yes	Yes	No
print_linkedlist_nyc.hs	Yes	Yes	No

TODO:
allow for stepping through code one iteration at a time. Must also support user input.
append down, append up