Realization of 'session tracking' feature, together with 'access authorization' feature. We assume that the same user can have a few different sessions from a single machine (see {@link Session} class for details) Sessions has no time-out and are stored until SessionHandlingAgent
will take down.
@see ibspan.tss.agents.sha.session.Session
@see ibspan.tss.agents.sha.session.ActionDispatcherWithSessionTracking