This is a fork of http://sourceforge.net/projects/lisa

TODO:
1) Fix CL-implementation specific issues for OpenMCL and SBCL. DONE! 2009-06-24
2) Replace the hash-table based implementation of the activation list with an
   adjustable array.
3) Implement support for not as a connected constraint
4) Implement possibility to bind the same variable in two or more slots and make
   it so that this creates a join node on that variable in the Rete network.
5) ...