* Updated packet documentation for
  * Auction packets (IZ)
  * Homunculus packets (IZ)
  * Mail packets (IZ)
  * Pet packets (IZ)
  * Quest packets (IZ)
  * misc
* Inter-server updates
  * Possible send wrong packet length for pincode and wispher to GM (@request)
  * ShowInfo if player change pincode
  * Showinfo "Asking to start pincode ..." only when 'pincode_enabled: yes'

Signed-off-by: Cydh Ramdh <house.bad@gmail.com>