WIZARD_I_BUSY_LEVEL             Level of busyness, what to hear
                                and what not to hear (bitwise or):
                                  0 - () Hear all.
                                  1 - (W) Ignore wizline.
                                  2 - (T) Ignore tellalls.
                                  4 - (M) Ignore tells from mortals.
                                  8 - (P) Ignore tells from anyone.
                                 16 - (S) Silence (No say, tell, tellall)
                                128 - (F) Ignore everything, fuck everyone.
                                256 - (G) Ignore intermud wizline
