Get a list of users in the channel.
        Required arguments:
        * channel - Channel to get list of users for.

def names(self, channel):
        """
        Get a list of users in the channel.
        Required arguments:
        * channel - Channel to get list of users for.
        """
        with self.lock:
            self.is_in_channel(channel)

            self.send('NAMES %s' % channel)
            names = []

            while self.readable():
                msg = self._recv(expected_replies=('353', '366'))

                if msg[0] == '353':
                    new_names = msg[2].split()[2:]
                    new_names[0] = new_names[0].replace(':', '', 1)
                    names.extend(new_names)
                elif msg[0] == '366':
                    channel = msg[2].split()[0]
                    break

            for name in names:
                prefix = ''
                if name[0] in self.priv_types:
                    prefix = name[0]
                    name = name[1:]
                if prefix == '~':
                    self.channels[channel]['USERS'][name] = \
                    ['~', '', '', '', '']
                elif prefix == '&':
                    self.channels[channel]['USERS'][name] = \
                    ['', '&', '', '', '']
                elif prefix == '@':
                    self.channels[channel]['USERS'][name] = \
                    ['', '', '@', '', '']
                elif prefix == '%':
                    self.channels[channel]['USERS'][name] = \
                    ['', '', '', '%', '']
                elif prefix == '+':
                    self.channels[channel]['USERS'][name] = \
                    ['', '', '', '', '+']
                else:
                    self.channels[channel]['USERS'][name] = \
                    ['', '', '', '', '']
            return names