AssignRequest, SetStateRequest, SetParentSystemUserRequest and etc are deprecated in CRM 2015 Update1

Hi, As we all know that we need to use special methods like below for different purposes AssignRequest SetStateRequest SetParentSystemUserRequest SetParentTeamRequest SetParentBusinessUnitRequest SetBusinessEquipmentRequest SetBusinessSystemUserRequest Some times we may miss/forget and write coding which will not fulfill the requirement or may lead to errors. But with this Update 1, every thing can be handled in Update