safer access method
safer access method

sometime geoip database does not return complete hashes, use this
method to provide bulletproof retrieval

tiramizoo/geocoder,mehlah/geocoder,gogovan/geocoder-olleh,sjaveed/geocoder,ankane/geocoder,mdebo/geocoder,andreamazz/geocoder,TrangPham/geocoder,moofish32/geocoder,donbobka/geocoder,brian-ewell/geocoder,rios1993/geocoder,rdlugosz/geocoder,aceunreal/geocoder,rayzeller/geocoder,jgrciv/geocoder,mveer99/geocoder,alexreisner/geocoder,Devetzis/geocoder,boone/geocoder,3mundi/geocoder,tortuba/geocoder,AndyDangerous/geocoder,davydovanton/geocoder,StudioMelipone/geocoder,jaigouk/geocoder-olleh,FanaHOVA/geocoder,jaigouk/geocoder-olleh,guavapass/geocoder,gogovan/geocoder-olleh,malandrina/geocoder,epyatopal/geocoder,eugenehp/ruby-geocoder