Minor cleanups
Minor cleanups

lucasallan/concurrent-ruby,MadBomber/concurrent-ruby,MadBomber/concurrent-ruby,lucasallan/concurrent-ruby,hobodave/concurrent-ruby,hobodave/concurrent-ruby,lucasallan/concurrent-ruby,lucasallan/concurrent-ruby,lucasallan/concurrent-ruby,hobodave/concurrent-ruby,hobodave/concurrent-ruby,MadBomber/concurrent-ruby,MadBomber/concurrent-ruby