Updates in Build 1866
- more actions for mouse buttons (kick, move, firstaid etc.)
- allow changing keys for quicksave, quickload, screenshot
- option to reverse (or turn off) gun change with mousewheel
- option to turn off gun bobbing
- fullscreen now uses the full extended display
- fix: don't keep swimming down with crouch when crouch is in toggle mode
- fix: sometimes the second boss wouldn't trigger level exit
- fix: dual crosshair drawn when using turret
- fix for binding PgUp, PgDn, Home, End, Ins, Del
- fix for mirror render with changed fov
- fix for mirror on e1m2
- fix for security camera monitor with changed fov
