Read-eval-print : the script engine does not need print so make it lazy
Read-eval-print : the script engine does not need print so make it lazy

This can have a dramatic effect on computing time in cases with big
intermediate results but simple final one.

slothspot/scala,martijnhoekstra/scala,scala/scala,lrytz/scala,felixmulder/scala,scala/scala,felixmulder/scala,lrytz/scala,slothspot/scala,lrytz/scala,slothspot/scala,slothspot/scala,martijnhoekstra/scala,martijnhoekstra/scala,martijnhoekstra/scala,slothspot/scala,lrytz/scala,slothspot/scala,scala/scala,felixmulder/scala,lrytz/scala,scala/scala,jvican/scala,shimib/scala,jvican/scala,lrytz/scala,jvican/scala,jvican/scala,jvican/scala,martijnhoekstra/scala,scala/scala,felixmulder/scala,shimib/scala,jvican/scala,felixmulder/scala,scala/scala,jvican/scala,shimib/scala,shimib/scala,felixmulder/scala,martijnhoekstra/scala,felixmulder/scala,shimib/scala,slothspot/scala,shimib/scala