Netlist: implemented something more complex: A generic NE555 model. Period accuracy for astable operation is within 2% of the TI datasheet for astable operation.
Fixed an issue in the object model as well and made the code distinguish between a core terminal and analog terminals.

    NETDEV_R(RA, 5000)
    NETDEV_R(RB, 3000)
    NETDEV_C(C, 0.15e-6)
    NETDEV_NE555(555)

    NET_C(V0, 555.GND)
    NET_C(V5, 555.VCC)

    NET_C(RA.1, 555.VCC)
    NET_C(RA.2, 555.DISCH)

    NET_C(RB.1, 555.DISCH)
    NET_C(RB.2, 555.TRIG)

    NET_C(RB.2, 555.THRESH)

    NET_C(555.TRIG, C.1)
    NET_C(C.2, V0)