Allow reusing sessions and inject new urls
Allow reusing sessions and inject new urls

This is needed for tighter integration in Guard-Konacha. This allows a
single Capybara session to handle all guard runs and drastically
increase performance

jfirebaugh/konacha,hugocorbucci/konacha,uken/konacha,uken/konacha,uken/konacha,hugocorbucci/konacha,jfirebaugh/konacha,jfirebaugh/konacha,hugocorbucci/konacha