For release 2.49

## For release 2.49

### codjo-sandbox requests:
* Manages a `ConnectionPoolListener` for a single user codjo/codjo-sql#9
* Improves messages generated by agent testing classes codjo/codjo-agent#6
* Improvements in audit of SQL queries codjo/codjo-administration#6
* Improve error message in WebTask codjo/codjo-release-test#18
* Fix launch GUI in IntelliJ with bad preferences codjo/codjo-segmentation#7