XSB Src (SVN)-old

Very minor fix in handling big arities for interned structures.

Fix bug in checking internstr when arity > 255.

Minor efficiency improvement with tag checking.

Explicit initialization of no max memory set.

Fix bug in intersect_db (in rtl_intersect/3) and add comments.

Fixed buglet in update_views/4.

all tests working (including abd and map)

correct loading of .cpl files

manual for the updated PITA version

Eliminated recursion in xsb_eval (evaluating expressions is/2) by using an explicit stack. Now no bound on expression depth.