return json dumps on get session
return json dumps on get session

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