Updates for example codes please.

[JIaLeChye]

Using the exampleHL.py. I found that the codings are outdated and need to be changed. Please try keep the library and example code updated. Thanks
Outdated library:pyserial & SMBus

[ark626]

Thanks for your fork where you fixed the python script... Sad to see that the devs don't care about their repo anylonger.