A small update containing important fixes. Also two features a Demand analysis button and a primitive sandbox mode.

- [feature] Added Demand analysis button to office menu.
- [feature] Added price sensitivity to regions.
- [feature] Added "Sandbox mode" which allows you to play infinitely (can be activated at year 2020), this feature is untested!

- [interface] Added "Game ended" notice if not in sandbox mode.
- [interface] View button placement fixed.

- [fix] Save of assembly lines (serious bug!)
- [fix] Materials on design chassis not working.
- [fix] Rename company on game start bug.


Note: This version saves are incompatible with previous version saves, if you want to play using your older saves try legacy branch.