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Merge pull request #35 from fortegente/master

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Merge branch 'master' of github.com:4man/how-it-works

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Merge pull request #36 from sergiozt/master

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Merge branch 'master' of github.com:4man/how-it-works
Merge pull request #37 from sergiozt/master

Accept my request, please
Merge remote-tracking branch 'upstream/master'