Revert "doc_or_span -> obj"
Revert "doc_or_span -> obj"

This reverts commit 78bb9ff5e0e4adc01bd30e227657118d87546f83.

explosion/spaCy,spacy-io/spaCy,spacy-io/spaCy,honnibal/spaCy,spacy-io/spaCy,spacy-io/spaCy,spacy-io/spaCy,spacy-io/spaCy,explosion/spaCy,honnibal/spaCy,explosion/spaCy,explosion/spaCy,explosion/spaCy,explosion/spaCy,honnibal/spaCy,honnibal/spaCy