Allowing an implicit conversion from OuterJoinedQueryable to OptionalQueryable will trigger another conversion to InnerJoinedQueryable inside org.squeryl.dsl.boilerplate.JoinSignatures#join.
Allowing an implicit conversion from OuterJoinedQueryable to OptionalQueryable will trigger another conversion to InnerJoinedQueryable inside org.squeryl.dsl.boilerplate.JoinSignatures#join. This also allows us to inhibit the table without using Option[Option[T]] in our results