better docstring about handle_short_message_pdu() sometimes needing to call out to the IDeliverShortMessageProcessor
better docstring about handle_short_message_pdu() sometimes needing to call out to the IDeliverShortMessageProcessor

harrissoerja/vumi,vishwaprakashmishra/xmatrix,vishwaprakashmishra/xmatrix,TouK/vumi,TouK/vumi,TouK/vumi,harrissoerja/vumi,harrissoerja/vumi,vishwaprakashmishra/xmatrix