Version 1.1 available

New JessTab version 1.1 available for Protg 1.9 and 2.0.

- Added support for multiple Jess engines working on the same Protg knowledge base.

- Added break button to interrupt runaway Jess engines.

- Added support for OWL knowledge bases in Protg (requires installation of OWL).
The usual JessTab knowledge-base operations work for OWL KBs.
For example, the defclass and make-instance functions create OWL classes and individuals, respectively.

- Added instance query functions: find-all-instances, find-instance, any-instancep, do-for-instance,
do-for-all-instances, delayed-do-for-all-instances

- Added utility functions functions: slot-boundp, slot-makunbound, class-direct-superclasses,
class-direct-subclasses, remove-direct-subclass, and add-direct-subclass.