Properly check for loopback IP address.
Properly check for loopback IP address.

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