now working on 3.8.1
Added Notes on findAndUpdate()

Added note to clarify that pre and post middleware is not fired for findOneAndUpdate() class of methods--and this is by design.
Normalize bugs.email, so `npm` will shut up

Stop `npm` from spitting out:
`npm WARN package.json mongoose@3.8.1-pre bugs.email field must be a string email. Deleted.`
docs; fix Query api exposure
website; update docs