* contrib/hbmxml/hbmxml.c
+ Enabled function pointer support with new PHB_ITEM based
callback system.
! MXMLSETERRORCALLBACK() fixed to reset error handler to NULL
if wrong (or no) parameter is passed.
! Replaced hb_vmProc() with hb_vmSend().
! Fixed some missed locations still using dynsyms directly.
* contrib/hbmxml/tests/custom.prg
* contrib/hbmxml/tests/testmxml.prg
* contrib/hbmxml/tests/reminder.prg
* Switched back to use function pointers.
* contrib/hbsqlit3/hbsqlit3.c
* contrib/hbxdiff/hbxdiff.c
* Renamed variables to reflect recent changes.