Synthesis infra struct

[ShiriMoran]

skeleton for synthesis

[adisos]

is all the exporting of fields from model and dfw just for printing ?
isn't the current printing functionality sufficient?
if not, why not add printing functions within these packages?

[ShiriMoran]

I believed that all these fields will have to be exported; but now I'm not so sure.
So lets close this PR, and later see what are the fields that needs to be exported