Tinker with physics again

TODO.txt

@@ -1,5 +1,7 @@
 =========== GENERAL ==============
 
+- when non-rotating, the car is very fast, allowing uberbugs: find out why and
+  fix
 - fix the ramp map again due to new physics
 - should drifting make a sound?
 - keyboard ghosting is an issue, particularly when initiating drift with brake
@@ -51,13 +53,21 @@
     - something with multiple finishes                        DONE
     - U-ramp to build speed and jump up to catch a CP (done)  DONE
     - jump through air ring with CP                           DONE
-- test:
-  - long replay
-  - replay stretching works
+- replay validation?
+- final tests:
+  - very long replay
+  - different resolutions
+  - different settings (332, POTATO, ...)
+  - crazy shit with physics
   - replay with input not occuring for more that LCR_SETTING_GHOST_STEP
-- replay validation
-- at the end check error handling, make sure the game handles garbage data in
-  resource file etc.
+  - different platforms
+  - error handling (bad map format, bad replay format, items in data file, ...)
+  - valgrind, cppcheck, different compilers, optimization levels, ...
+  - play replay from one platform on another
+  - play all maps a lot
+  - correct saving or replays etc
+  - empty and large data file
+  - FPS on each platform
 
 =========== BUGS =================