toString (MTTaskDelAck i) = "Task deleted with id: " +++ toString i
toString (MTSDSAck i) = "SDS added with id: " +++ toString i
toString (MTSDSDelAck i) = "SDS deleted with id: " +++ toString i
toString (MTTaskDelAck i) = "Task deleted with id: " +++ toString i
toString (MTSDSAck i) = "SDS added with id: " +++ toString i
toString (MTSDSDelAck i) = "SDS deleted with id: " +++ toString i