non-crypto hash functions

[Mike Pechkin]

hi all,

https://bitbucket.org/mihailp/tankfeeder/src/4475ad4ceb0c587207ede6a2ff0136d95bae4b82/hash/?at=default

I've implement several hashes on PicoLisp:
o) djb
o) murmur v1,2,3
o) cityhash
All 32bit versions.

Have fun,
Mike