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.
Merge branch 'master' of https://github.com/skulpt/skulpt