tech demo 2:
- sound generation and music streaming (windows/linux)
- adlib sound effects (dos)
- new menu screens for career mode
- you can now repair your car in the garage
- new bird's eye map view
- new characters and font sets
- new building textures
- new "van" traffic model
- one new passenger (hail to the king!)
- smoother and fancier screen transitions
- resized cockpit dashboard
- opengl renderer now does shading in full color
- new exit to console screen
- added support for the close window button on all screens
- floor markings now blink (experimental)
- optimized boundary check on floor drawing routine for extra speed
- improved framerate handling by averaging out several frames
- added fast linear buffer writing (software modes only)
- optimized color lookup tables
- disabled "security" boundary checks on raycasting loop
  (improves speed a bit, but might cause lockups or crashes if the map gets corrupted)
- created lookup table for plane distance calculations
- general tweaks for performance
- added debug screen to measure time spent on processing
- fps counter is now hidden by default (open the debug screen with F3)
- added icon and window title to executable
- all targets are now cross-compiled with a single script (should be tested more often, more stable)
- graphics bitmaps are now compressed with custom RLE format - aiming for <1MB game without music data
- fixed input polling hangup under windows
- completely reworked the help/readme screen



