Its all change for Moist von Lipwig, swindler, conman, and (naturally) head of the Royal Bank and Post Office. A steaming, clanging new invention, driven by Dick Simnel, the man with tflat cap and tsliding rule, is drawing astonished crowds - including a few particularly keen young men armed with notepads and very sensible rainwear and suddenly its a matter of national importance that the trains run on time. Moist does not enjoy hard work. His . . . vital input at the bank and post office consis