Make vocabs more compatible across versions
Make vocabs more compatible across versions

Previously, symbols were inserted into the string-store
before strings were loaded. This meant that adding a symbol
would invalidate saved models. We now make sure that strings
are loaded faithfully, so that compatibility is maintained.

Gregory-Howard/spaCy,Gregory-Howard/spaCy,aikramer2/spaCy,raphael0202/spaCy,aikramer2/spaCy,aikramer2/spaCy,aikramer2/spaCy,recognai/spaCy,raphael0202/spaCy,explosion/spaCy,oroszgy/spaCy.hu,recognai/spaCy,Gregory-Howard/spaCy,honnibal/spaCy,recognai/spaCy,explosion/spaCy,recognai/spaCy,spacy-io/spaCy,aikramer2/spaCy,honnibal/spaCy,spacy-io/spaCy,oroszgy/spaCy.hu,explosion/spaCy,Gregory-Howard/spaCy,spacy-io/spaCy,Gregory-Howard/spaCy,honnibal/spaCy,oroszgy/spaCy.hu,honnibal/spaCy,explosion/spaCy,raphael0202/spaCy,spacy-io/spaCy,oroszgy/spaCy.hu,raphael0202/spaCy,recognai/spaCy,raphael0202/spaCy,spacy-io/spaCy,Gregory-Howard/spaCy,spacy-io/spaCy,oroszgy/spaCy.hu,aikramer2/spaCy,explosion/spaCy,recognai/spaCy,oroszgy/spaCy.hu,explosion/spaCy,raphael0202/spaCy