Fetch regions and print out histogram

cache.h

@@ -46,6 +46,7 @@ public:
 	float diff;
 	float terr;
 	std::string type;
+	std::string region;
 	std::string origin;
 	std::string owner;
 	std::string owner_uuid;

geostat.cpp

@@ -197,8 +197,11 @@ int main(int argc, char** argv) {
 		std::cout << "Types:\n";
 		show_histogram(&cc, &Cache::type);
 
-		std::cout << "\nService:\n";
+		std::cout << "\nServices:\n";
 		show_histogram(&cc, &Cache::origin);
+
+		std::cout << "\nRegions:\n";
+		show_histogram(&cc, &Cache::region);
 	}
 
 	if (show_dt) {

okapi.cpp

@@ -72,7 +72,7 @@ std::string Okapi::get_user_caches_json(std::string uuid, int count, int offset)
 
 std::string Okapi::get_caches_json(std::string codes) {
 	std::string service = url + OKAPI_caches;
-	std::string query = "consumer_key=" + key + "&cache_codes=" + codes + "&fields=code|name|location|type|status|difficulty|terrain|owner";
+	std::string query = "consumer_key=" + key + "&cache_codes=" + codes + "&fields=code|name|location|type|status|difficulty|terrain|owner|region";
 	return curl_post(service, query);
 }
 
@@ -120,6 +120,7 @@ Caches Okapi::get_caches(std::vector<std::string> codes) {
 			c.code = el.value()["code"];
 			c.name = el.value()["name"];
 			c.type = el.value()["type"];
+			c.region = el.value()["region"];
 			c.diff = el.value()["difficulty"];
 			c.terr = el.value()["terrain"];
 			c.owner = el.value()["owner"]["username"];