pbullets also move just before the collision check.

This also sets up for the "fast shots" refactor.

vacuum_gambit.p8

@@ -234,7 +234,7 @@ function updategame()
  end
  events:vore(new_events)
  events:strip(call_move)
- for _, lst in ipairs{intangibles_bg, eships, pbullets} do
+ for _, lst in ipairs{intangibles_bg, eships} do
   lst:strip(call_move)
  end
 
@@ -261,6 +261,7 @@ function updategame()
  end
 
  pbullets:strip(function(pb)
+  if (pb:move()) return true
   for es in eship_collider:iterate_collisions(hurtbox(pb)) do
    if (es:hitbullet(pb)) eship_collider:yoink(es)
    if (pb:hitship(es)) return true