spider: make handle-stop-thread into a get by instead of a got by to fix failing +on-load
spider: make handle-stop-thread into a get by instead of a got by to fix failing +on-load

ngzax/urbit,ngzax/urbit,urbit/urbit,ngzax/urbit,ngzax/urbit,urbit/urbit,urbit/urbit,urbit/urbit,urbit/urbit,urbit/urbit,urbit/urbit,ngzax/urbit,ngzax/urbit,ngzax/urbit