API: raise on setops for + and - for Indexes (GH8226)#8227

Merged

jreback merged 1 commit intopandas-dev:masterfrom jreback:index_api

Sep 11, 2014

+110-98

Commits on Sep 11, 2014

API: raise on setops for + and - for Indexes (GH8226)
jreback
committed