Changed for loop to not use for in. see http://stackoverflow.com/questions/500504/why-is-using-for-in-with-array-iteration-such-a-bad-idea
Changed for loop to not use for in.
see http://stackoverflow.com/questions/500504/why-is-using-for-in-with-array-iteration-such-a-bad-idea

geometrybase/barrels,bredikhin/barrels,Tumetsu/barrels