Updated SmartPlug commands - set_power() and check_power() - #16

[Traceback (most recent call last):<broadlink.sp2 instance at 0x036C1418>, <broadlink.device instance at 0x033FF3F0>]

  File "C:\Users\Eddy\Downloads\python-broadlink-master\test.py", line 7, in <module>
    devices[0].set_power(1)
  File "C:\Users\Eddy\Downloads\python-broadlink-master\broadlink\__init__.py", line 242, in set_power
    self.send_packet(0x6a, packet)
  File "C:\Users\Eddy\Downloads\python-broadlink-master\broadlink\__init__.py", line 204, in send_packet
    payload = aes.encrypt(str(payload))
  File "c:\users\eddy\appdata\local\temp\easy_install-t6ivxq\pycrypto-2.6.1-py2.7-win32.egg.tmp\Crypto\Cipher\blockalgo.py", line 244, in encrypt
ValueError: Input strings must be a multiple of 16 in length
[Finished in 1.3s]