code: def send_and_return_status(self,
  	                           send,
  	                           expect=None,
  	                           shutit_pexpect_child=None,
  	                           timeout=None,
  	                           fail_on_empty_before=True,
  	                           record_command=True,
  	                           exit_values=None,
  	                           echo=None,
  	                           escape=False,
  	                           retry=3,
  	                           note=None,
  	                           assume_gnu=True,
  	                           follow_on_commands=None,
  	                           loglevel=logging.INFO):
  		
  		shutit_global.shutit_global_object.yield_to_draw()
  		shutit_pexpect_child = shutit_pexpect_child or self.get_current_shutit_pexpect_session().pexpect_child
  		shutit_pexpect_session = self.get_shutit_pexpect_session_from_child(shutit_pexpect_child)
  		shutit_pexpect_session.send(ShutItSendSpec(shutit_pexpect_session,
  		                                           send=send,
  		                                           expect=expect,
  		                                           timeout=timeout,
  		                                           check_exit=False,
  		                                           fail_on_empty_before=fail_on_empty_before,
  		                                           record_command=record_command,
  		                                           exit_values=exit_values,
  		                                           echo=echo,
  		                                           escape=escape,
  		                                           retry=retry,
  		                                           note=note,
  		                                           assume_gnu=assume_gnu,
  		                                           loglevel=loglevel,
  		                                           follow_on_commands=follow_on_commands))
  		return shutit_pexpect_session.check_last_exit_values(send,
  		                                                     check_exit=True,
  		                                                     expect=expect,
  		                                                     exit_values=exit_values,
  		                                                     retry=retry,
  		                                                     retbool=True)
docs: Returns true if a good exit code was received (usually 0)