Fixes for getting newsdiffs working on OSX#39

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wizardishungry wants to merge 4 commits intoecprice:masterfrom

wizardishungry:osx-fix

Commits on Aug 10, 2015

patched to fix issue #25 https://github.com/ecprice/newsdiffs/issues/25
cwage
committed

Commits on Mar 16, 2016