Update DIRECTORY#1161

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cclauss merged 5 commits intoTheAlgorithms:masterfrom

jai-dewani:master

Sep 6, 2019

Commits on Aug 30, 2019

Update DIRECTORY
jai-dewani
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Commits on Sep 5, 2019

Commits on Sep 6, 2019

fixed indentation in Directory.md
jai-dewani
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