Implemented concat on cube work on inner
Implemented concat on cube
work on inner

mining/mining,jgabriellima/mining,avelino/mining,chrisdamba/mining,AndrzejR/mining,jgabriellima/mining,seagoat/mining,avelino/mining,AndrzejR/mining,mining/mining,chrisdamba/mining,mlgruby/mining,seagoat/mining,mlgruby/mining,mlgruby/mining