Mario de Sousa <msousa@fe.up.pt> [Thu, 03 Aug 2017 22:55:12 +0100] rev 1057
handle POUs with no VAR .. END_VAR blocks
Mario de Sousa <msousa@fe.up.pt> [Thu, 03 Aug 2017 22:32:03 +0100] rev 1056
fix bug introduced in previous commit (matiec was unable to parse SFC code)