fix scala.sys.process package object examples
fix scala.sys.process package object examples

use LazyList instead of Stream

lrytz/scala,lrytz/scala,martijnhoekstra/scala,martijnhoekstra/scala,lrytz/scala,lrytz/scala,martijnhoekstra/scala,martijnhoekstra/scala,scala/scala,scala/scala,scala/scala,lrytz/scala,martijnhoekstra/scala,scala/scala,martijnhoekstra/scala,scala/scala,scala/scala,lrytz/scala