Modified the MBean in such a way to create user, session, context filters each with a different set of loggers/levels. Introduced the switch '-cf' to the command line tool for clearing all filters. Improved the CLT's output. The already existing functionality remains intact.
The tool is fully documented here:
http://oxpedia.org/wiki/index.php?title=AppSuite:OX_Logging#logconf_CLT