exposed subdivisions

Author: i-make-robots

src/main/java/com/marginallyclever/makelangelo/donatelloimpl/nodes/turtle/shapes/Line.java

@@ -25,6 +25,7 @@ public Line() {
         addPort(y0);
         addPort(x1);
         addPort(y1);
+        addPort(steps);
         addPort(contents);
     }