Minor Update - v0.1.16a

Pressure Relief Valve Update

By popular demand, you can now disable the pressure relief valve.

Change List

• Pressure relief valve can now be disabled with the keyboard
• Physics engine robustness improvements
• Audio volume now visible in information panel
• Max rpm achieved now visible in information panel
• Hints will appear on the screen occasionally
• Controls do not appear by default by showing the information panel ([c] can now be used to show the controls directly)