made secureRandom a ThreadLocal
made secureRandom a ThreadLocal

Ziftr/nxt,Ziftr/nxt,metrospark/czarcraft,duckx/nxt,dmkaplan2000/nxt_dmk,metrospark/czarcraft,duckx/nxt,fimkrypto/nxt,dmkaplan2000/nxt_dmk,fimkrypto/nxt,Ziftr/nxt,dmkaplan2000/nxt_dmk,fimkrypto/nxt,fimkrypto/nxt,metrospark/czarcraft,duckx/nxt