The script has the option to do an 'in-place update' of QB64 which
involves deleting the internal folder. This fix keeps the script from
deleting internal when the option is turned off (DOWNLOAD=0). Now the
script will recompile qb64 if run a second time.
_RESIZE , _STRETCH
_RESIZE , _SMOOTH
... = _SNDRAWLEN
_SNDRAWDONE
SOUND ...
PLAY ...
BEEP
Setup now clears old precompiled files which could conflict with newer versions