Check for the Gemfile in `rack console`, do not call `bundle exec` if there is no Gemfile.
Check for the Gemfile in `rack console`, do not call `bundle exec` if there is no Gemfile.

dldinternet/jeweler,technicalpickles/jeweler,dkastner/bueller,flajann2/juwelier,dldinternet/jeweler,flajann2/juwelier,technicalpickles/jeweler,flajann2/juwelier