Regenerate tests 132 and 444

makes them fail again
Makes sure hash on a number always

returns an int. And checks if theres a bucket in a dict with the same
hash.
dict buckets can only ever have one item

tuple.tp$hash still assumed hash(nmber) returned a javascript number.
Adds a test
Merge pull request #198 from albertjan/dict-hash-bucket-fix

Fix hash of numbers. And a fix for dicts because of that.

All the tests pass for me, and it looks like you all have vetted this one enough for me to accept.