Support for mongoose 3.8
Fix for .lean option not taking effect
Merge from Intervox/mongoose-redis-cache
Making cache disabled by default. User has to pass cache: true parameter
Depending on mongoose parameter redisCache.

Need to change README.md
Added the ability to add expires at query level also
Renamed expires to redisExpires to be more explicit and avoid confusion
Fixed a typo
Merge pull request #13 from baarzo/master

Support for mongoose 3.8