Fetching the image processor

This code was written elsewhere, but will come in handy here...
Image processor is working

Ohhhh Yeaaaahhhh... Can't really believe how easy that was. But displaying images is working!
Merge branch 'image_processing' into lcd_lib
just some reformatting and commenting

PyCharm has checked PEP8 and I could put some comments into the code
make the code more flexible
Merge branch 'lcd_lib' into development