Update version in README.
Update version in README.

deas/gorilla-notebook,deas/gorilla-notebook,JonyEpsilon/gorilla-repl,rcdexta/gorilla_repl_cia,mrcslws/gorilla-repl,gorillalabs/gorilla-repl,gorillalabs/gorilla-repl,JonyEpsilon/gorilla-repl,mrcslws/gorilla-repl,deas/gorilla-notebook,deas/gorilla-notebook