Datetimelike add/sub catch cases more explicitly, tests#19912

Merged

jreback merged 8 commits intopandas-dev:masterfrom

jbrockmendel:obj_arrays

Mar 6, 2018

Commits on Feb 27, 2018

Commits on Feb 28, 2018

Merge branch 'master' of https://github.com/pandas-dev/pandas into obj_arrays
jbrockmendel
committed

Commits on Mar 1, 2018

remove panel checks
jbrockmendel
committed