Support multiple models in same network

[maedoc]

Describe the new feature or enhancement

A single network model should support multiple models on different nodes.

Describe your proposed implementation

class MultiModels:
    models = List(of=Model, required=True)
    partition = Array(of=int, required=True)
    @property
    def nvar(self):
        return max([model.nvar for model in self.models])
    ... 

Describe possible alternatives

Builtin support on the simulator itself.

Additional comments

This is a request that occurs frequently enough and currently isn't possible.