Allow Package Import to be selective

[TheWitness]

Feature Request

Is your feature request related to a problem? Please describe

If would be nice if there was a way to selectively import components of packages. Say for example, you like you Interfaces Data Query and don't want it changed, but there are a half dozen of other components in a package that you want to import.

Describe the solution you'd like

A way to selectively, and in a compatible way, determine what from a Package or Template to import.