Nobody had ever created a function like this one before. (#26)

Reviewed-on: rrise/reloading-manager#26
Co-authored-by: Ron Rise <ron@siteworxpro.com>
Co-committed-by: Ron Rise <ron@siteworxpro.com>

backend/handlers/numbers.go

@@ -19,3 +19,12 @@ func ParseInt32WithDefault(s string, def int32) int32 {
 
 	return int32(sInt)
 }
+
+func ParseInt64OrDefault(s string, def int64) int64 {
+	sInt, err := strconv.ParseInt(s, 10, 64)
+	if err != nil {
+		return def
+	}
+
+	return sInt
+}