* harbour/include/Makefile
+ added hbapicls.h
* harbour/include/hbapi.h
* harbour/source/vm/garbage.c
* added some testing macros
* harbour/include/hbmath.h
* HB_MATH_ERRNO enabled for MINGW build. Seems that MinGW doesn't
activate math error handler and only sets errno
* harbour/include/hbtypes.h
* harbour/source/vm/maindllp.c
! fixed VM_PROCESS_SYMBOLS_EX definition
* cleaned a little bit code to not return uninitialized values
when original function cannot be detected
* harbour/source/compiler/genc.c
* minor modifications
* harbour/source/rtl/math.c
! fixed possible memory leak
* indenting
* harbour/source/vm/classes.c
! fixed possible GPF in __GETMSGPRF
* use only one function for method name hashing
* harbour/source/vm/hvm.c
* minor fix
5f67da8896