weird bug for dup in development environment. a rray.dup doesn't dup the elements in older ruby version/gem.  guessing it's caused by the gem, because travis-ci test on different ruby version works
weird bug for dup in development environment. a
rray.dup doesn't dup the elements in older ruby version/gem. 
guessing it's caused by the gem, because travis-ci test on different ruby version works
alvinsj/flatten_record,alvinsj/flatten_record,alvinsj/flatten_record