Extend ActiveSupport::TimeWithZone for mongo serialization and deserialization
Don't attempt to persist the polymorphic association's owner on replace if it is already destroyed
Add query helpers where, sort, limit, exists?, skip, and build to InArrayProxy association
Change default update persistence method to atomic updates, add :replace option to perform original style of saving on update, add save_if_changed(!) helpers
Add SublimeText files to gitignore