2003-05-26 (v1.1) - Farkas Arpad
* Interface: now clear() does what before empty() did. empty() is used to
test whether the queue is empty, its size is zero.
2003-05-22 (v1.02) - Farkas Arpad
* Documentation: a small inconsistency.
2003-05-16 (v1.0) - Farkas Arpad
* Start: Initial version.