ef4b9bf234
* src/rtl/Makefile
* src/rtl/hbrandom.c
+ src/rtl/hbrand.c
+ src/rtl/arc4.c
+ src/rtl/arc4.h
+ added C level arc4 API. adapted to Harbour by Tamas Tevesz,
original authors listed in sources
* moved HB_RAND32() function to separate source
* changed HB_RAND32() to use arc4 backend, which means it will
now return properly string random numbers
; arc4 code may need tweaks on some platforms (android f.e.),
pls test