seed-methods
signature(object = "Simulation"): returns the slot seed of an object of class "Simulation"
signature(object = "Simulation"): changes the slot seed of an object of class "Simulation"
signature(object = "Contsimulation"): returns the slot seed of an object of class "Contsimulation"
signature(object = "Contsimulation"): changes the slot seed of an object of class "Contsimulation"