Update code to reflect change in config file.

The configuration now seperates the output path and filename into
seperate componentants.

App.config

@@ -2,7 +2,8 @@
 <configuration>
 	<appSettings>
 		<add key="PDF-Path" value="C:\Users\ltdvw\Documents\PDF-Test"/>
-		<add key="PDF-Output" value="C:\Users\ltdvw\Documents\PDF-Test\merged.pdf"/>
+		<add key="PDF-Output" value="C:\Users\ltdvw\Documents\PDF-Test\"/>
+		<add key="PDF-Name" value="merged.pdf"/>
 		<add key="overwrite" value="true"/>
 	</appSettings>
 </configuration>