! Fixed compatibility functions Update() and ReadUpdate().
Now use __GetListLast() instead of __GetListActive().
__GetListActive() reference to the active oGetList, beginning and
concluding with the ReadModal.
__GetListLast() reference to the last oGetList form the beginning
of the ReadModal until another ReadModal begins.
! Fix bug in Accelerator(), Clipper 5.3 compatibility function.
* Some cleanup.