Steam Whistle Update - v0.1.17a

Steam Whistle Added!

I wasn't sure if it was possible but apparently a procedurally generated steam whistle can be done. Hope you guys enjoy it.

- ATG

Change List

• Added steam whistle (can be activated by clicking and dragging handle or pressing up arrow)

• Mouse can now be dragged beyond the window border

• MMB added as alternative keybind for panning

• Issue with program sometimes playing audio after being closed should be fixed for most people

• Pressure relief valve minimum pressure raised

• Flame heat is now slightly higher

• Inputs are now slightly more responsive