DatagramIterator: Add read methods for signed integers.
DatagramIterator: Add read methods for signed integers.

ketoo/Astron,pizcogirl/Astron,blindsighttf2/Astron,ketoo/Astron,blindsighttf2/Astron,pizcogirl/Astron,ketoo/Astron,blindsighttf2/Astron,pizcogirl/Astron,blindsighttf2/Astron,ketoo/Astron,pizcogirl/Astron