rename directory in-racket -> code
add all examples from sam's paper
fix snake and tetris tests
add example from Wright's
fix tetris
add dumb version of delta that doesn't refine the heap
always allocate new labels on struct/c tests
delete obsolete code
reindent match/nd
add + rename tests, optional commandline options
clean up
add concrete module for rsa's user
print concise test info
change binary-tree example
fix dumb version
Add another test.
add foldr1, foldl1, group-by
add all, map-append
fix bug with let*, rename test, update table
add reverse with dependent contract