wok log jhead/receipt

age author description
2022-03-12 Hans-G?nter Theisgen updated jhead (3.04 -> 3.06.0.1)
2022-02-12 Pascal Bellard Add some current_version
2020-02-29 Hans-G?nter Theisgen updated jhead (3.03 -> 3.04)
2019-03-15 Hans-G?nter Theisgen updated jhead (2.97 -> 3.03)
2014-06-22 Pascal Bellard Add jhead