DEPR: execute deprecations for str.cat in v1.0#27611

Merged

jreback merged 7 commits intopandas-dev:masterfrom h-vetinari:str_cat_1.0

Jul 31, 2019

+79-185

Commits on Jul 26, 2019

Commits on Jul 27, 2019

Commits on Jul 30, 2019