(CTTC) Multiple Bug Fixes affecting `common` code
# Reporters
- Lluis Gifre (CTTC)
# Description
Multiple Small Bugs:
- `common` > `tests` > `InMemoryObjectDatabase.py`: enhance log error reporting
- `common` > `tools` > `descriptor` > `Tools.py`: method `format_custom_config_rules()` does not properly format non-string resource_values in custom config rules
- `common` > `tools` > `service` > `GenericRestServer.py`: reported listen URL is wrongly formatted
## Deployment environment
All
## TFS deployment settings
`common` code
# References
None
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