changes from start of branch upto r22b2 were already merged, of course).

Lots more Carbon/Carbon.h includes, new UPP routine names, function prototypes. Most toolbox modules now compile, link and import in MacOSX-MachO python.

functions. Include it in stead of duplicating the declarations everywhere. Also
cleaned up toolbox module exports, and got rid of resNotFound error.

Changed all (hopefully) uses of unsigned 16 bit value to use H format specifier, now that h is signed-only.

blacklisted, because they are not available in classic 68k programs,
and bgen doesn't have a way to put #ifdef/#endif in the generated
code. For now we only implement calls that work on all three models.