Query test against rogue-core

Includes a trivial ORM that provides just enough functionality for rogue
to do its thing. Also exposes spots that need to be copied from the lift
adapter, and should probably be in the core code.
Explicit return types avoid crazy type signatures
Merge pull request #76 from nsanch/v2

Query test against rogue-core
Add BSONType type class for types serializable to BSON
Merge pull request #77 from jorgeortiz85/v2

Add BSONType type class for types serializable to BSON
2.0.0-RC2
2.0.0-RC3-SNAPSHOT
Long subtypes are BSON types
2.0.0-RC3
2.0.0-RC4