mulle-sde upgrade and maybe a minor fix here and there

Author: mulle-nat

.gitignore

@@ -54,3 +54,6 @@ coverage*.html
 *.gcda
 *.gcno
 cola/wilted/
+CMakeLists.txt.bak
+.mulle/etc/make/build-dir
+vgcore.*

.mulle/share/env/version

@@ -37,9 +37,9 @@ it will not.
 
 
 
-| Release Version                                       | Release Notes
-|-------------------------------------------------------|--------------
-| ![Mulle kybernetiK tag](https://img.shields.io/github/tag/mulle-concurrent/mulle-thread.svg) [![Build Status](https://github.com/mulle-concurrent/mulle-thread/workflows/CI/badge.svg)](//github.com/mulle-concurrent/mulle-thread/actions) | [RELEASENOTES](RELEASENOTES.md) |
+| Release Version                                       | Release Notes  | AI Documentation
+|-------------------------------------------------------|----------------|---------------
+| ![Mulle kybernetiK tag](https://img.shields.io/github/tag/mulle-concurrent/mulle-thread.svg) [![Build Status](https://github.com/mulle-concurrent/mulle-thread/workflows/CI/badge.svg)](//github.com/mulle-concurrent/mulle-thread/actions) | [RELEASENOTES](RELEASENOTES.md) | [DeepWiki for mulle-thread](https://deepwiki.com/mulle-concurrent/mulle-thread)
 
 
 ## API

.mulle/share/sde/version/mulle-sde/cmake

@@ -1 +1 @@
-5.4.1
+5.4.2