Fix https://github.com/joshualat/ohm-zset/issues/3
Fix gem dependencies https://github.com/joshualat/ohm-zset/issues/1 https://github.com/joshualat/ohm-zset/issues/2
Merge pull request #4 from earllevine/master

Fix gem dependencies https://github.com/joshualat/ohm-zset/issues/1 https://github.com/joshualat/ohm-zset/issues/2 and fix https://github.com/joshualat/ohm-zset/issues/3