Bump version, revert extension

Front.dfm

@@ -105,7 +105,7 @@ object FrontForm: TFrontForm
       Height = 13
       Align = alBottom
       Alignment = taCenter
-      Caption = #169' 2003 Eric Fredricksen - v6.3'
+      Caption = #169' 2003 Eric Fredricksen - v6.4'
       Color = clWhite
       Font.Charset = DEFAULT_CHARSET
       Font.Color = 11382189
@@ -4499,8 +4499,8 @@ object FrontForm: TFrontForm
     end
   end
   object OpenDialog1: TOpenDialog
-    DefaultExt = 'pq3'
-    Filter = 'Progress Quest games|*.pq3'
+    DefaultExt = 'pq'
+    Filter = 'Progress Quest games|*.pq'
     Left = 476
     Top = 240
   end