'Creates a TLD entry from a line of data, which must have been stripped of
the line ending.'

def __init__(self, line):

    if line.startswith('!'):
        self._exception = True
        domain = line[1:]
    elif line.startswith('*.'):
        self._wild = True
        domain = line[2:]
    else:
        domain = line
    self._domain = _normalizeHostname(domain)
