support progress printing for corpus importer downloads + add __repr__
support progress printing for corpus importer downloads + add __repr__

mbevila/cltk,kylepjohnson/cltk,LBenzahia/cltk,diyclassics/cltk,TylerKirby/cltk,TylerKirby/cltk,LBenzahia/cltk,coderbhupendra/cltk,cltk/cltk,D-K-E/cltk