temporarily disable autofolding (see issue #16)

src/animation/PseudoCodeNode.java

@@ -106,8 +106,8 @@ public class PseudoCodeNode extends DefaultMutableTreeNode {
         }
         else
         {
-            if( controller == null || controller.getStepOption() != 1 )
-                tree.collapsePath( new TreePath( this.getPath() ) );
+//            if( controller == null || controller.getStepOption() != 1 )
+//                tree.collapsePath( new TreePath( this.getPath() ) );
         }
         if( breakPoint && selected )
             return CodeAction.STOP; // Breakpoint