taskdistribution: Wrap some strings into Binary
As there is no way to assure that stdout and stderr will have XML-allowed characters, wrap them in xmlrpclib.Binary class, as suggested in https://docs.python.org/2/library/xmlrpclib.html
As there is no way to assure that stdout and stderr will have XML-allowed characters, wrap them in xmlrpclib.Binary class, as suggested in https://docs.python.org/2/library/xmlrpclib.html