Improve CorpusReader for Perseus
Improve CorpusReader for Perseus

Bumping version for Todd Cook's https://github.com/cltk/cltk/pull/854 , which includes docs too.
kylepjohnson/cltk,diyclassics/cltk,D-K-E/cltk,TylerKirby/cltk,cltk/cltk,LBenzahia/cltk,TylerKirby/cltk,LBenzahia/cltk