update change log for unreleased Coopr merged PRs
update change log for unreleased Coopr merged PRs

cdapio/coopr,cdapio/coopr,caskdata/coopr,caskdata/coopr,quantiply-fork/coopr,quantiply-fork/coopr,quantiply-fork/coopr,cdapio/coopr,caskdata/coopr,caskdata/coopr,cdapio/coopr,caskdata/coopr,cdapio/coopr,quantiply-fork/coopr