Result deconstruct for grasshopper

[Marco-Pellegrino]

Case/Combonation Name should be optional

i.e.

[Marco-Pellegrino]

For Bar and Nodes, Data should be returned grouped by CaseIdentifier.

• [x] nodal displacement
• [x] bar displacement
• [ ] bar internal force
• [ ] bar stress
• [ ] shell stress
• [ ] ect ect