example status

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

TODO:
debug quiz.hs
allow for stepping through code one iteration at a time. Must also support user input.
inverse lock, append down