Optimized memory usage and root routing

+ Added unset subdomain custom redirection feature #46
+ Optimized memory usage by space time tradeoff in geoip lookup to fix #52
+ Replaced all stori/go.uuid to google/uuid for security reasons #55

src/mod/geodb/geodb_test.go

@@ -41,7 +41,10 @@ func TestTrieConstruct(t *testing.T) {
 
 func TestResolveCountryCodeFromIP(t *testing.T) {
 	// Create a new store
-	store, err := geodb.NewGeoDb(nil)
+	store, err := geodb.NewGeoDb(nil, &geodb.StoreOptions{
+		false,
+		false,
+	})
 	if err != nil {
 		t.Errorf("error creating store: %v", err)
 		return