Writing the first pingo.parts
a.k.a Switch
Merge branch 'master' of https://github.com/Vido/pingo into Switch

Conflicts:
	pingo/parts/__init__.py
Merge branch 'master' of https://github.com/garoa/pingo into Switch
Switch for pingo.parts
This is an old code revised. The thread design was based upon the parts.Led,
which is a elegent code.
Flake8
Switch working example
Flake8
Merge pull request #63 from Vido/master

Tests for Galileo, thanks, @vido!
Merge pull request #62 from Vido/Switch

Thanks, @vido!
Fixed typo
Merge pull request #64 from Vido/master

More Testing! Thanks, @vido!
Merge pull request #65 from Vido/master

Some work on tests. Thanks, @vido!
renamed and added comments to pongo.py
merged intro.rst into index.rst
reordered content for index.rst
fixed typos in README.rst
improved intro
minor fix to intro