Mario de Sousa <msousa@fe.up.pt> [Sat, 06 Oct 2012 22:29:04 +0100] rev 672
Use doubly linked connections for flow control graph (will be used later).
Mario de Sousa <msousa@fe.up.pt> [Thu, 04 Oct 2012 18:54:15 +0100] rev 671
Remove deprecated search_expression_type_c