Fix datatype and use INPUT_PULLUP.#4

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Beanow wants to merge 6 commits intotigoe:masterfrom

Commits on Dec 16, 2014

Commits on Sep 20, 2015

Merge pull request #1 from McSlow/master
Robin van Boven
committed
Merge branch 'master' of github.com:Beanow/Button
Beanow
committed
OCD!
Beanow
committed
Use INPUT_PULLUP for modern arduino API.
Beanow
committed