Make Geocoder::Lookup::X#query_url method public.

lib/geocoder/cli.rb

lib/geocoder/lookups/base.rb

lib/geocoder/lookups/bing.rb

lib/geocoder/lookups/freegeoip.rb

lib/geocoder/lookups/geocoder_ca.rb

lib/geocoder/lookups/google.rb

lib/geocoder/lookups/google_premier.rb

lib/geocoder/lookups/mapquest.rb

lib/geocoder/lookups/maxmind.rb

lib/geocoder/lookups/nominatim.rb

lib/geocoder/lookups/yahoo.rb

lib/geocoder/lookups/yandex.rb

test/https_test.rb

test/lookup_test.rb

test/services_test.rb