* interp/category.boot (filterConditionalCategories): Fix thinko.



git-svn-id: svn://svn.code.sf.net/p/open-axiom/code/trunk@2976 f499efd5-9937-0410-b36a-d3739c31ded8
Cache category objects created at functor build time.

git-svn-id: svn://svn.code.sf.net/p/open-axiom/code/trunk@2977 f499efd5-9937-0410-b36a-d3739c31ded8
Cache category objects some more.

git-svn-id: svn://svn.code.sf.net/p/open-axiom/code/trunk@2978 f499efd5-9937-0410-b36a-d3739c31ded8
Cache more category objects.

git-svn-id: svn://svn.code.sf.net/p/open-axiom/code/trunk@2979 f499efd5-9937-0410-b36a-d3739c31ded8