'Get the value of a property by I{name}.
@param name: The property name.
@type name: str
@param df: An optional value to be returned when the value
is not set
@type df: [1].
@return: The stored value, or I{df[0]} if not set.
@rtype: any'

def get(self, name, *df):

    return self.properties.get(name, *df)
