Few compile time attempts to speed things up
Swap include guards for pramga once
Change compile options in the cmakeLists for source
generate a pch
small tweaks
Fix for Issue_190:
Without having DI8DEVTYPE_DRIVING here, many steering wheel's will show
up as "unknown" and cannot be mapped to actions. Driving and gamepad
both map to joystick for consistency, since they all can have buttons,
axes, sliders, and pov hat's.