ENH: add return_inverse to duplicated for DataFrame/Series/Index/MultiIndex#21645

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h-vetinari wants to merge 11 commits intopandas-dev:masterfrom

h-vetinari:unique_reverse

Commits on Aug 23, 2018

ENH: add return_inverse kwarg to duplicated-method (rebased)
h-vetinari
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Commits on Aug 30, 2018

Commits on Aug 31, 2018

Improve comments, fix doc string errors
h-vetinari
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Commits on Sep 11, 2018

Commits on Sep 13, 2018

Commits on Sep 23, 2018