Set version number for release candidate to 1.3.18.

gpcp/GPCPcopyright.cp

@@ -49,7 +49,7 @@ MODULE GPCPcopyright;
      (* VERSION    = "1.3.15 of 04 October 2012"; *)
      (* VERSION    = "1.3.16 of 01 January 2013"; *)
      (* VERSION    = "1.3.17 of 01 June 2013"; *)
-        VERSION    = "1.4.00 of 26 August 2013"; 
+        VERSION    = "1.3.18 of 26 August 2013"; 
 	verStr*    = " version " + VERSION;
 
   CONST	prefix     = "#gpcp: ";