Add type to terminal non-literal objects

[mconlon17]

Turns out the Pump was only adding type assertions to intermediate objects. If a terminal object was being created, it was not being assigned a type.

[mconlon17]

This has been fixed and demonstrated in the UF ORCID example. See https://github.com/mconlon17/vivo-pump/tree/master/uf_examples/orcid