def __init__(self, username, password, remember_me=False, host=None):
self.identifier = username<EOL>self.credentials = password<EOL>self.host = host<EOL>self.is_remember_me = remember_me<EOL>
:param username: the username submitted for authentication
:type username: str

:param password: the credentials submitted for authentication
:type password: bytearray or string

:param remember_me:  if the user wishes their identity to be
                     remembered across sessions
:type remember_me: bool
:param host:     the host name or IP string from where the attempt
                 is occuring
:type host: str