Mongo requires that you register parent classes before you register their derived offspring. I just added a couple lines to that effect.
Merge pull request #207 from Sobieck00/master

Mongo Sample Yellow Screen Fix.
cleanup nosql sample for recent updates
fix sample for hierarchical user accounts
get raven sample working again
v6.0.0 version for sem versioning since the CancelVerification is a breaking API change
reworked crypto (removed slow equals and added verify hash apis)
(c)