fix for missing last arg to exec when args > 3
fix for missing last arg to exec when args > 3

Alfheim/node-julia,slowbrain/node-julia,slowbrain/node-julia,Alfheim/node-julia,slowbrain/node-julia,waTeim/node-julia,waTeim/node-julia,Alfheim/node-julia,slowbrain/node-julia,waTeim/node-julia,Alfheim/node-julia,waTeim/node-julia