Fix bugs and pause on zzz

bot.py

@@ -101,6 +101,10 @@ def tick(global_state):
         target.x += 0.5
         target.z += 0.5
 
+    if g.afk_timeout > 0:
+        target = None
+        g.afk_timeout -= utils.TICK
+
     if target:
         d = p - target
 
@@ -205,7 +209,7 @@ def init(global_state):
     g.job = jobs.JobStates(g)
     g.chopped_tree = False
 
-    g.queue_afk = False
+    g.afk_timeout = 0
 
     g.filling = False