Prepare for 1.59 development

CHANGELOG.md

+# Version 1.59-dev (not released)
+
 # Version 1.58
 
 * Fix error in Case Reports caused by removal of print permissions (by another extension).

info.xml

@@ -15,7 +15,7 @@
     <url desc="Licensing">http://www.gnu.org/licenses/agpl-3.0.html</url>
   </urls>
   <releaseDate>2022-12-22</releaseDate>
-  <version>1.58</version>
+  <version>1.59-dev</version>
   <develStage>stable</develStage>
   <compatibility>
     <ver>5.41</ver>