SOSHibernate: performance improvement - debug log level

Current Situation

• SOSHibernate uses the debug log level to provide the informations about the saved/updated/inserted etc. database items and the executed query objects.
• Are incur the cost constructing the message, object evaluation and concatenation in this case, regardless of whether the message is logged or not.

Desired Behaviour

• SOSHibernate should use the debug log level efficiently