digital/DigiLib: DigiLib is a library which contains generally useful code. Having it in a separate library allows me to easily use it in my projects. @ d20f67037df3e411469f2b51e062bf39075f7abf

digital d20f67037d moved controllers from pin.py to controller.py, worked in ButtonController and created file errmsg.py for error messages		7 vuotta sitten
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digilib	d20f67037d moved controllers from pin.py to controller.py, worked in ButtonController and created file errmsg.py for error messages	7 vuotta sitten
docs	64a77ec34f added template index.rst and wrote a description about digilib in index.rst	7 vuotta sitten