New Script Tabs loadable and concept for loading a file again is implementend:...

New Script Tabs loadable and concept for loading a file again is implementend: if file is already laoded and loaded again, it is overwritten (Decision for the beginning); part for right side is coming in the next days ;-)

src/main/java/edu/kit/formal/gui/controller/DebuggerMainWindowController.java

@@ -271,7 +271,7 @@ public class DebuggerMainWindowController implements Initializable {
         blocker.deinstall();
         statusBar.publishMessage("Parse ...");
         try {
-            List<ProofScript> scripts = Facade.getAST(scriptArea.getText());
+            List<ProofScript> scripts = Facade.getAST(tabPane.getActiveScriptAreaTab().getScriptArea().getText());
             statusBar.publishMessage("Creating new Interpreter instance ...");
             ib.setScripts(scripts);
             ib.captureHistory();