/* Pass this function an IP address as a string, it will return a hash
 * containing all the information that the database knows about the IP
 *    db.look_up('24.24.24.24') 
 *    => {:city=>"Ithaca", :latitude=>42.4277992248535, 
 *        :country_code=>"US", :longitude=>-76.4981994628906, 
 *        :country_code3=>"USA", :dma_code=>555, 
 *        :country_name=>"United States", :area_code=>607, 
 *        :region=>"NY"} 
 */ 
VALUE rb_geoip_look_up(VALUE self, VALUE addr) {