Fixed loss of sentence settings on window resize

src/uk/co/majenko/audiobookrecorder/AudiobookRecorder.java

@@ -788,6 +788,10 @@ public class AudiobookRecorder extends JFrame implements DocumentListener {
 
                 DefaultMutableTreeNode n = (DefaultMutableTreeNode)bookTree.getLastSelectedPathComponent();
 
+                if (n == null) {
+                    setSelectedSentence(null);
+                }
+
                 if (n instanceof BookTreeNode) {
                     BookTreeNode btn = (BookTreeNode)n;
                     btn.onSelect(btn);
@@ -3554,6 +3558,7 @@ public class AudiobookRecorder extends JFrame implements DocumentListener {
         KVPair<String, String> de = defEff.getItemAt(i);
         book.setDefaultEffect(de.getKey());
 
+        book.setTitle(tit);
         book.setAuthor(aut);
         book.setGenre(gen);
         book.setComment(com);

src/uk/co/majenko/audiobookrecorder/Book.java

@@ -178,11 +178,13 @@ public class Book extends BookTreeNode {
         return node.getTextContent();
     }
 
+    public void setTitle(String n) { Debug.trace(); name = n; }
     public void setAuthor(String a) { Debug.trace(); author = a; }
     public void setGenre(String g) { Debug.trace(); genre = g; }
     public void setComment(String c) { Debug.trace(); comment = c; }
     public void setACX(String c) { Debug.trace(); ACX = c; }
 
+    public String getTitle() { Debug.trace(); return name; }
     public String getAuthor() { Debug.trace(); return author; }
     public String getGenre() { Debug.trace(); return genre; }
     public String getComment() { Debug.trace(); return comment; }