Return a list with all (following) lines. The sizehint parameter
        is ignored in this implementation.

def readlines(self, sizehint = -1):
        """Return a list with all (following) lines. The sizehint parameter
        is ignored in this implementation.
        """
        result = []
        while True:
            line = self.readline()
            if not line: break
            result.append(line)
        return result