GetMajorVersion() assumes VersionInfo string to be either null or non-empty

src/Main/GlobalAssemblyInfo.template

@@ -30,7 +30,7 @@ internal static class RevisionClass
 	public const string Minor = "3";
 	public const string Build = "0";
 	public const string Revision = "$INSERTREVISION$";
-	public const string VersionName = "";
+	public const string VersionName = null;	// "" is not valid for no version name, you have to use null if you don't want a version name (eg "Beta 1")
 	
 	public const string FullVersion = Major + "." + Minor + "." + Build + ".$INSERTREVISION$$INSERTBRANCHPOSTFIX$$INSERTVERSIONNAMEPOSTFIX$";
 }