Added handling of orphaned documents.

sample/sampleNovel/data_1/4298de4d9524_main.nwd

@@ -1,3 +1,3 @@
 # John Smith
 
-He’s pretty cool. Nor Brad Pitt though.
+He’s pretty cool. Not Brad Pitt though.

sample/sampleNovel/data_5/3b69b83cdafc_main.nwd

@@ -0,0 +1,4 @@
+# My Novel
+
+**By Jane Doh**
+

sample/sampleNovel/data_b/3e74dbc1f584_main.nwd

@@ -1,3 +1,3 @@
 # Earth
 
-Third planet from the sun, fairly dense and with lots of people on it.
+Third planet from the sun, fairly dense, and with lots of people on it.

sample/sampleNovel/nwProject.nwx

@@ -1,12 +1,12 @@
 <?xml version='1.0' encoding='utf-8'?>
-<novelWriterXML appVersion="0.0.1" fileVersion="1.0" timeStamp="2019-04-28 13:15:28">
+<novelWriterXML appVersion="0.0.1" fileVersion="1.0" timeStamp="2019-04-28 14:03:05">
   <project>
     <name>Sample Project</name>
     <title>Sample Project</title>
     <author>Jane Smith</author>
     <author>Jay Doh</author>
   </project>
-  <content count="9">
+  <content count="10">
     <item handle="7031beac91f75" order="0" parent="None">
       <name>Novel</name>
       <type>ROOT</type>