Add Int64 method

ini.go

@@ -200,6 +200,36 @@ func (config *Configuration) GetAsIntErr(path string) (int, error) {
 	return i, nil
 }
 
+func (config *Configuration) GetAsInt64(path string) int64 {
+	var i int64
+	key, err := config.GetKey(path)
+	if err != nil {
+		fmt.Printf("Error getting path %v in config: %v\n", path, err)
+		return 0
+	}
+	i, err = key.Int64()
+	if err != nil {
+		fmt.Printf("Error parsing integer: %v\n", err)
+		return 0
+	}
+	return i
+}
+
+func (config *Configuration) GetAsInt64Err(path string) (int64, error) {
+	var i int64
+	key, err := config.GetKey(path)
+	if err != nil {
+		fmt.Printf("Error getting path %v in config: %v\n", path, err)
+		return 0, err
+	}
+	i, err = key.Int64()
+	if err != nil {
+		fmt.Printf("Error parsing integer: %v\n", err)
+		return 0, err
+	}
+	return i, nil
+}
+
 func (config *Configuration) GetAsInts(path string) []int {
 	key, err := config.GetKey(path)
 	if err != nil {