convert to swift 3.0 syntax#69

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holiday-sunrise wants to merge 3 commits intoyankodimitrov:masterfrom

holiday-sunrise:master

Commits on Sep 24, 2016

convert to swift 3.0 syntax
Rainer Drexler
committed

Commits on Jul 28, 2017

fix some errors
Rainer Drexler
committed

Commits on Jul 30, 2017

migration to swift 4.0 increase version 1.0.2
Rainer Drexler
committed