v5.7.2

Remove obsolete compatibility code

v5.7.1

Migrate code to Rust edition 2021

v5.7.0

remove config backwards compatibility code

v5.6.0

disclose the signature at last

v5.5.0

add a lot more ASCII art (now 320)

The image changes now every 5. game.

v5.4.0

migrate to YAML configuration file format

The former proprietary format is depreciated, but
still supported.

v5.3.0

add line break char to secret

The `|` character can be used now to indicate
an hard line break in a secret string.

v5.2.2

refactor code into cargo workspace

v5.2.1

bugfix: do not print white on white background

This release corrects a bug that occured when using white
terminals with Linux and MacOS.

v5.2.0

add more ASCII-Art

* add more ASCII-Art
* Web-App: improve layout
* some minor code clean up