def newUser(self):
        user = IrcUser(hashed=True)
        self.nextId += 1
        id = self.nextId
        self.users[id] = user
        self.flush()
        user.id = id
        return user
Allocates a new user in the database and returns it and its id.
dataset/ETHPy150Open ProgVal/Limnoria/src/ircdb.py/UsersDictionary.newUser