now tests large and small dictionaries
now tests large and small dictionaries

- "large" dictionaries shouldn't collide too much
- "small" dictionaries collide a lot as a rule

rfdickerson/CS241,rfdickerson/CS241,rfdickerson/cs241-data-structures,rfdickerson/cs241-data-structures,rfdickerson/cs241-data-structures,rfdickerson/CS241