diff --git a/pom.xml b/pom.xml
index 77463aa8..890c4876 100644
--- a/pom.xml
+++ b/pom.xml
@@ -68,12 +68,12 @@
 		<dependency>
 			<groupId>javax.xml.bind</groupId>
 			<artifactId>jaxb-api</artifactId>
-			<version>2.2.11</version>
+			<version>2.3.0</version>
 		</dependency>
 		<dependency>
 			<groupId>javax.activation</groupId>
 			<artifactId>activation</artifactId>
-			<version>1.1</version>
+			<version>1.1.1</version>
 		</dependency>
 
 		<dependency>
diff --git a/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDExporter.java b/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDExporter.java
index 0330c4e4..efd93c22 100644
--- a/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDExporter.java
+++ b/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDExporter.java
@@ -111,7 +111,7 @@ public class ZUGFeRDExporter implements Closeable {
 	private PDDocument doc;
 	int ZFVersion;
 
-	private HashMap<String, byte[]> additionalXMLs = new HashMap<String, byte[]>();
+	private HashMap<String, byte[]> additionalFiles = new HashMap<String, byte[]>();
 
 
 	private boolean disableAutoClose;
@@ -130,10 +130,21 @@ public class ZUGFeRDExporter implements Closeable {
 		init();
 	}
 
-	public void addAdditonalXML(String filename, byte[] xml) {
-		additionalXMLs.put(filename, xml);
+	/**
+	 * Adds additional file attachments into the ZF
+	 * @param filename
+	 * @param filecontent
+	 */
+	public void addAdditionalFile(String filename, byte[] xml) {
+		additionalFiles.put(filename, xml);
+
 	}
 
+	/***
+	 * internal helper function: get namespace for given zugferd or factur-x version
+	 * @param ver
+	 * @return
+	 */
 	public String getNamespaceForVersion(int ver) {
 		if (isFacturX) {
 			return "urn:factur-x:pdfa:CrossIndustryDocument:invoice:1p0#";	
@@ -147,6 +158,11 @@ public class ZUGFeRDExporter implements Closeable {
 		}
 	}
 
+	/***
+	 * internal helper: returns the namespace prefix for the given zf/fx version number
+	 * @param ver
+	 * @return
+	 */
 	public String getPrefixForVersion(int ver) {
 		if (isFacturX) {
 			return "fx";
@@ -155,6 +171,11 @@ public class ZUGFeRDExporter implements Closeable {
 		}
 	}
 
+	/***
+	 * internal helper: return the name of the file attachment for the given zf/fx version
+	 * @param ver
+	 * @return
+	 */
 	public String getFilenameForVersion(int ver) {
 		if (isFacturX) {
 			return "factur-x.xml";
@@ -374,8 +395,8 @@ public class ZUGFeRDExporter implements Closeable {
 		PDFAttachGenericFile(doc, filename, "Alternative",
 				"Invoice metadata conforming to ZUGFeRD standard (http://www.ferd-net.de/front_content.php?idcat=231&lang=4)",
 				"text/xml", xmlProvider.getXML());
-		for (String filenameAdditional : additionalXMLs.keySet()) {
-			PDFAttachGenericFile(doc, filenameAdditional, "Supplement", "ZUGFeRD extension/additional data", "text/xml", additionalXMLs.get(filenameAdditional));
+		for (String filenameAdditional : additionalFiles.keySet()) {
+			PDFAttachGenericFile(doc, filenameAdditional, "Supplement", "ZUGFeRD extension/additional data", "text/xml", additionalFiles.get(filenameAdditional));
 		}
 	}
 
@@ -518,7 +539,7 @@ public class ZUGFeRDExporter implements Closeable {
 	}
 
 	/**
-	 * Sets the ZUGFeRD conformance level (override).
+	 * Sets the ZUGFeRD profile.
 	 *
 	 * @param zUGFeRDConformanceLevel the new conformance level
 	 * @deprecated Use {@link ZUGFeRDExporterFromA1Factory} instead
@@ -532,7 +553,7 @@ public class ZUGFeRDExporter implements Closeable {
 	}
 
 	/**
-	 * Sets the ZUGFeRD conformance level (override).
+	 * Sets the ZUGFeRD profile.
 	 *
 	 * @param zUGFeRDConformanceLevel the new conformance level
 	 * @deprecated Use {@link #setConformanceLevel(PDFAConformanceLevel)} instead
@@ -572,6 +593,10 @@ public class ZUGFeRDExporter implements Closeable {
 		XMPSchemaPDFAExtensions pdfaex = new XMPSchemaPDFAExtensions(this, metadata, ZFVersion, attachZUGFeRDHeaders);
 		pdfaex.setZUGFeRDVersion(ZFVersion);
 		metadata.addSchema(pdfaex);
+		for (String filenameAdditional : additionalFiles.keySet()) {
+			XMPSchemaPDFAExtensionsAdditionalData pdfaexadd = new XMPSchemaPDFAExtensionsAdditionalData(metadata);
+			metadata.addSchema(pdfaexadd);
+		}
 
 	}
 
diff --git a/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDImporter.java b/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDImporter.java
index e748332c..117d0e5d 100644
--- a/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDImporter.java
+++ b/src/main/java/org/mustangproject/ZUGFeRD/ZUGFeRDImporter.java
@@ -32,7 +32,6 @@ import org.apache.pdfbox.pdmodel.PDEmbeddedFilesNameTreeNode;
 import org.apache.pdfbox.pdmodel.common.PDNameTreeNode;
 import org.apache.pdfbox.pdmodel.common.filespecification.PDComplexFileSpecification;
 import org.apache.pdfbox.pdmodel.common.filespecification.PDEmbeddedFile;
-import org.mustangproject.toecount.Toecount;
 import org.w3c.dom.Document;
 import org.xml.sax.SAXException;
 
@@ -163,21 +162,6 @@ public class ZUGFeRDImporter {
 		}
 	}
 
-	private void prettyPrint(Document document) throws TransformerException {
-		TransformerFactory tf = TransformerFactory.newInstance();
-		Transformer transformer = null;
-		try {
-			transformer = tf.newTransformer();
-		} catch (TransformerConfigurationException e) {
-			Logger.getLogger(ZUGFeRDImporter.class.getName()).log(Level.SEVERE, null, e);
-		}
-		transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
-		StringWriter writer = new StringWriter();
-		transformer.transform(new DOMSource(document), new StreamResult(writer));
-		String output = writer.getBuffer().toString();//.replaceAll("\n|\r", "");
-		System.err.println(output);
-	}
-
 	private Document getDocument() { return document; }
 
 	private void setDocument() throws ParserConfigurationException, IOException, SAXException {
@@ -368,6 +352,16 @@ public class ZUGFeRDImporter {
 	}
 
 
+	public int getVersion() throws Exception {
+		if (!containsMeta) throw new Exception("Not yet parsed");
+		if (getUTF8().contains("<rsm:CrossIndustryDocument")) {
+			return 1;
+		} else if (getUTF8().contains("<rsm:CrossIndustryInvoice")) {
+			return 2;
+		}
+		throw new Exception("ZUGFeRD version could not be determined");
+	}
+	
 	/**
 	 * @return return UTF8 XML (without BOM) of the invoice
 	 */
diff --git a/src/main/java/org/mustangproject/toecount/FileChecker.java b/src/main/java/org/mustangproject/toecount/FileChecker.java
index 9ad2a9d2..64fddd27 100755
--- a/src/main/java/org/mustangproject/toecount/FileChecker.java
+++ b/src/main/java/org/mustangproject/toecount/FileChecker.java
@@ -18,6 +18,8 @@
  *********************************************************************** */
 package org.mustangproject.toecount;
 
+import java.math.BigDecimal;
+
 import org.mustangproject.ZUGFeRD.ZUGFeRDImporter;
 
 public class FileChecker {
@@ -53,6 +55,7 @@ public class FileChecker {
 		try {
 			if (zi.canParse()) {
 				thisRun.incZUGFeRDCount();
+				thisRun.incTotal(new BigDecimal(zi.getAmount()));
 				return true;
 			} else {
 				return false;
diff --git a/src/main/java/org/mustangproject/toecount/StatRun.java b/src/main/java/org/mustangproject/toecount/StatRun.java
index e5f8771c..e5f8f80c 100755
--- a/src/main/java/org/mustangproject/toecount/StatRun.java
+++ b/src/main/java/org/mustangproject/toecount/StatRun.java
@@ -18,11 +18,14 @@
  *********************************************************************** */
 package org.mustangproject.toecount;
 
+import java.math.BigDecimal;
+
 public class StatRun {
 	private int pdfCount = 0;
 	private int horseCount = 0;
 	private int fileCount = 0;
 	private int dirCount = 0;
+	private BigDecimal total = BigDecimal.ZERO;
 	private boolean checkFileExt = true;
 
 	public void ignoreFileExtension() {
@@ -73,8 +76,8 @@ public class StatRun {
 	public String getSummaryLine() {
 
 		return "\r\n===================================================================\r\n" + String.format(
-				"Files:\t%d\tDirs:\t%d\tPDF:\t%d\tZUGFeRD:\t%d\r\n",
-				getFileCount(), getDirCount(), getPDFCount(), getZUGFeRDCount());
+				"Files:\t%d\tDirs:\t%d\tPDF:\t%d\tZUGFeRD:\t%d\tTotal:\t%s\r\n",
+				getFileCount(), getDirCount(), getPDFCount(), getZUGFeRDCount(), total.toString());
 
 	}
 
@@ -87,5 +90,10 @@ public class StatRun {
 		return ".";
 	}
 
+	public void incTotal(BigDecimal delta) {
+		total=total.add(delta);
+		
+	}
+
 
 }
diff --git a/src/main/java/org/mustangproject/toecount/Toecount.java b/src/main/java/org/mustangproject/toecount/Toecount.java
index 688dcda2..a29e58c8 100755
--- a/src/main/java/org/mustangproject/toecount/Toecount.java
+++ b/src/main/java/org/mustangproject/toecount/Toecount.java
@@ -18,6 +18,24 @@
  *********************************************************************** */
 package org.mustangproject.toecount;
 
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.xml.transform.TransformerException;
+
+import org.mustangproject.ZUGFeRD.ZUGFeRDConformanceLevel;
+import org.mustangproject.ZUGFeRD.ZUGFeRDExporter;
+import org.mustangproject.ZUGFeRD.ZUGFeRDExporterFromA1Factory;
+import org.mustangproject.ZUGFeRD.ZUGFeRDImporter;
+import org.mustangproject.ZUGFeRD.ZUGFeRDMigrator;
+
 /***
  * This is the command line interface to mustangproject
  *
@@ -25,24 +43,6 @@ package org.mustangproject.toecount;
 
 import com.sanityinc.jargs.CmdLineParser;
 import com.sanityinc.jargs.CmdLineParser.Option;
-import org.mustangproject.ZUGFeRD.*;
-
-import javax.xml.transform.TransformerException;
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.io.UnsupportedEncodingException;
-import java.net.URL;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 
 public class Toecount {
 	// build with: /opt/local/bin/mvn clean compile assembly:single
@@ -454,7 +454,7 @@ public class Toecount {
 			} else {
 				System.out.println("ZUGFeRD XML set to " + xmlName);
 			}
-
+						
 			if (outName == null) {
 				outName = getFilenameFromUser("Ouput PDF", "invoice.ZUGFeRD.pdf", "pdf", false, true);
 			} else {
diff --git a/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterEdgeTest.java b/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterEdgeTest.java
index a104fccf..3f1ebfc3 100644
--- a/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterEdgeTest.java
+++ b/src/test/java/org/mustangproject/ZUGFeRD/MustangReaderWriterEdgeTest.java
@@ -230,6 +230,13 @@ public class MustangReaderWriterEdgeTest extends MustangReaderTestCase {
 		assertEquals(zi.getKTO(), getTradeSettlementPayment()[0].getOwnKto());
 		assertEquals(zi.getHolder(), getOwnOrganisationName());
 		assertEquals(zi.getForeignReference(), getNumber());
+		try {
+			assertEquals(zi.getVersion(), 1);
+		} catch (Exception e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
 	}
 
 }
diff --git a/src/test/java/org/mustangproject/ZUGFeRD/ZF2EdgeTest.java b/src/test/java/org/mustangproject/ZUGFeRD/ZF2EdgeTest.java
index a4f4dc13..d578630c 100644
--- a/src/test/java/org/mustangproject/ZUGFeRD/ZF2EdgeTest.java
+++ b/src/test/java/org/mustangproject/ZUGFeRD/ZF2EdgeTest.java
@@ -23,6 +23,7 @@ import junit.framework.TestSuite;
 import org.junit.FixMethodOrder;
 import org.junit.runners.MethodSorters;
 
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.math.BigDecimal;
@@ -75,11 +76,10 @@ public class ZF2EdgeTest extends MustangReaderTestCase {
 		return "Ecke 12";
 	}
 
-
 	@Override
 	public IZUGFeRDExportableContact getOwnContact() {
 		return new SenderContact();
-		
+
 	}
 
 	@Override
@@ -115,8 +115,10 @@ public class ZF2EdgeTest extends MustangReaderTestCase {
 	@Override
 	public IZUGFeRDExportableItem[] getZFItems() {
 		Item[] allItems = new Item[3];
-		Product designProduct = new Product("", "Künstlerische Gestaltung (Stunde): Einer Beispielrechnung", "HUR", new BigDecimal("7.000000"));
-		Product balloonProduct = new Product("", "Bestellerweiterung für E&F Umbau", "C62", new BigDecimal("19.000000"));// test for issue 103
+		Product designProduct = new Product("", "Künstlerische Gestaltung (Stunde): Einer Beispielrechnung", "HUR",
+				new BigDecimal("7.000000"));
+		Product balloonProduct = new Product("", "Bestellerweiterung für E&F Umbau", "C62",
+				new BigDecimal("19.000000"));// test for issue 103
 		Product airProduct = new Product("", "Heiße Luft pro Liter", "LTR", new BigDecimal("19.000000"));
 
 		allItems[0] = new Item(new BigDecimal("160"), new BigDecimal("1"), designProduct);
@@ -167,26 +169,25 @@ public class ZF2EdgeTest extends MustangReaderTestCase {
 		return new TestSuite(ZF2EdgeTest.class);
 	}
 
-	
-	// //////// TESTS //////////////////////////////////////////////////////////////////////////////////////////
+	// //////// TESTS
+	// //////////////////////////////////////////////////////////////////////////////////////////
 
 	/**
-	 * The exporter test bases on @{code ./src/test/MustangGnuaccountingBeispielRE-20170509_505PDFA3.pdf}, adds metadata,
-	 * writes to @{code ./target/testout-*} and then imports to check the values.
+	 * The exporter test bases on @{code
+	 * ./src/test/MustangGnuaccountingBeispielRE-20170509_505PDFA3.pdf}, adds
+	 * metadata, writes to @{code ./target/testout-*} and then imports to check the
+	 * values.
 	 */
 	public void testEdgeExport() {
 
 		// the writing part
 
-		try (InputStream SOURCE_PDF =
-					 this.getClass().getResourceAsStream("/MustangGnuaccountingBeispielRE-20170509_505PDFA3.pdf");
+		try (InputStream SOURCE_PDF = this.getClass()
+				.getResourceAsStream("/MustangGnuaccountingBeispielRE-20170509_505PDFA3.pdf");
 
-			 ZUGFeRDExporter ze = new ZUGFeRDExporterFromA3Factory()
-					 .setProducer("My Application")
-					 .setCreator(System.getProperty("user.name"))
-					 .setZUGFeRDVersion(2)
-					 .ignorePDFAErrors()
-					 .load(SOURCE_PDF)) {
+				ZUGFeRDExporter ze = new ZUGFeRDExporterFromA3Factory().setProducer("My Application")
+						.setCreator(System.getProperty("user.name")).setZUGFeRDVersion(2).ignorePDFAErrors()
+						.load(SOURCE_PDF)) {
 			ze.PDFattachZugferdFile(this);
 			String theXML = new String(ze.getProvider().getXML());
 			assertTrue(theXML.contains("<rsm:CrossIndustryInvoice"));
@@ -204,6 +205,40 @@ public class ZF2EdgeTest extends MustangReaderTestCase {
 		assertEquals(zi.getIBAN(), getTradeSettlementPayment()[0].getOwnIBAN());
 		assertEquals(zi.getHolder(), getOwnOrganisationName());
 		assertEquals(zi.getForeignReference(), getNumber());
+		try {
+			assertEquals(zi.getVersion(), 2);
+		} catch (Exception e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		
+	}
+
+	/**
+	 * The exporter test bases on @{code
+	 * ./src/test/MustangGnuaccountingBeispielRE-20170509_505PDFA3.pdf}, adds
+	 * metadata, writes to @{code ./target/testout-*} and then imports to check the
+	 * values.
+	 */
+	public void testOutpuStreamExport() {
+
+		// the writing part
+
+		ByteArrayOutputStream bos = new ByteArrayOutputStream();
+		try (InputStream SOURCE_PDF = this.getClass()
+				.getResourceAsStream("/MustangGnuaccountingBeispielRE-20170509_505PDFA3.pdf");
+
+				ZUGFeRDExporter ze = new ZUGFeRDExporterFromA3Factory().setProducer("My Application")
+						.setCreator(System.getProperty("user.name")).setZUGFeRDVersion(2).ignorePDFAErrors()
+						.load(SOURCE_PDF)) {
+			ze.PDFattachZugferdFile(this);
+			String theXML = new String(ze.getProvider().getXML());
+			assertTrue(theXML.contains("<rsm:CrossIndustryInvoice"));
+			ze.export(bos);
+		} catch (IOException e) {
+			fail("IOException should not be raised in testEdgeExport");
+		}
+
 	}
 
 }