Improved GetRandomNumber() in Helper.pm.
Improved GetRandomNumber() in Helper.pm.

MBRG/otrs,MBRG/otrs,mburggraf/otrs,rudy500/otrs,rudy500/otrs,rudy500/otrs,xhoy/otrs,mburggraf/otrs,rudy500/otrs,s7design/otrs,xhoy/otrs,xhoy/otrs,MBRG/otrs,s7design/otrs,mburggraf/otrs,mburggraf/otrs,xhoy/otrs,MBRG/otrs,s7design/otrs,mburggraf/otrs,s7design/otrs,MBRG/otrs,s7design/otrs,xhoy/otrs,rudy500/otrs