Update CHANGELOG.md (#2829)
Update CHANGELOG.md (#2829)


gojomo/gensim,RaRe-Technologies/gensim,gojomo/gensim,piskvorky/gensim,gojomo/gensim,RaRe-Technologies/gensim,gojomo/gensim,RaRe-Technologies/gensim,RaRe-Technologies/gensim,piskvorky/gensim,piskvorky/gensim