* Changed the Python namespace of the PyPAD classes from
'rivendell.PyPAD' to 'PyPAD'.
* Renamed the 'PyPAD.PyPADReceiver' class to 'PyPAD.Receiver'.
* Renamed the 'PyPAD.PyPADUpdate' class to 'PyPAD.Update'.
* Added a 'port' argument to the 'PyPAD.Receiver::start()' method.
* Added an 'escaping' argument to the 'PyPAD.Update::padFields()'
method.
* Added support for the 'Encoding=' directive to the 'pypad_udp.py'
script.