fixed version in Pisg.pm; updated doc version; switched docbook-to-man to docbook2man (docbook2X)

docs/Makefile

@@ -25,7 +25,7 @@ pisg-formats.html: FORMATS
 	mv FORMATS.html pisg-formats.html
 
 pisg.1: pisg.sgml
-	docbook-to-man $< > $@
+	docbook2man $< > $@
 
 clean:
 	rm -f $(TARGETS) .version

docs/pisg-doc.xml

@@ -5,7 +5,7 @@
 
 <book id="pisg-documentation">
   <bookinfo>
-    <title>pisg 0.72 documentation</title>
+    <title>pisg 0.73 documentation</title>
     <subtitle>How to install and configure pisg</subtitle>
   </bookinfo>
   <toc></toc>

modules/Pisg.pm

@@ -219,7 +219,7 @@ sub get_default_config_settings
         modules_dir => '',         # set in get_cmdline_options
         cchannels => '',           # set in get_cmdline_options
 
-        version => '0.73'
+        version => "0.73"
     };
 
     # This enables us to use the search_path in other modules