Fri, 01 Apr 2011 10:06:19 +0100 Mario de Sousa Updating License info (with Edoaurd's permission for relevant files).
Fri, 01 Apr 2011 10:03:22 +0100 Mario de Sousa Adding some debug info
Thu, 31 Mar 2011 21:06:36 +0100 Mario de Sousa Do not crash when checking semantics of undeclared symbolic_variable.