'Set the prefix limit for decoding done by this protocol instance.
@see: L{setPrefixLimit}'

def setPrefixLimit(self, limit):

    self.prefixLimit = limit
    self._smallestLongInt = ((- (2 ** (limit * 7))) + 1)
    self._smallestInt = (- (2 ** 31))
    self._largestInt = ((2 ** 31) - 1)
    self._largestLongInt = ((2 ** (limit * 7)) - 1)
