MTKv10 discussion

[AayushSabharwal]

This issue is meant to track and discuss points of action and potential breaking changes for a future MTKv10 release

• Make @named always wrap symbolic arguments in ParentScope, so they can be passed multiple levels down the hierarchy. This will need more consideration after identifying which tests break upon making this change.
• Discuss complete semantics
• Enforce the u0map argument only contains variables, and pmap only parameters. Discretes will need an exception here.