Implemented improved randn funciton
Implemented improved randn funciton

smarden1/jstat,akrawitz/jstat,akrawitz/jstat,NorthDecoder/jstat,jstat/jstat,cmpolis/jstat,ggonzale/jstat,JeebsM/jstat,jamescgibson/jstat,jstat/jstat,smarden1/jstat,JeebsM/jstat,ggonzale/jstat,NorthDecoder/jstat