Made Main.rb more rubocop compliant.
Made Main.rb more rubocop compliant.

AndrewMcBurney/emerald,emerald-lang/emerald,emerald-lang/emerald,AndrewMcBurney/emerald,AndrewMcBurney/emerald,AndrewMcBurney/emerald,emerald-lang/emerald,emerald-lang/emerald