updated docs

compile latest

i need help :(

Merge pull request #13 from baarzo/master

Fixed a typo

Renamed expires to redisExpires to be more explicit and avoid confusion

Added the ability to add expires at query level also

Depending on mongoose parameter redisCache.

Making cache disabled by default. User has to pass cache: true parameter

Merge from Intervox/mongoose-redis-cache

Fix for .lean option not taking effect

Support for mongoose 3.8

Merge pull request #5 from Intervox/redis-setex

Merge pull request #6 from Intervox/custom-caching

Fixed if statement.