mongoid/mongoid — pull request #3410 by arthurnn (2013-11-22 05:10:39+00:00)
Title: WIP: Query cache

### Adding Query Cache to Mongoid !
![pd6ivbb](https://f.cloud.github.com/assets/833383/1598530/3ccbd2a4-5334-11e3-8754-87e0e662d7c0.gif)

### Peding tasks
- Add more tests
- Add option to disable cache
- Add new Log instrumentation for query cache