Bump version and release 0.64.

docs/Changelog

@@ -1,4 +1,4 @@
-pisg (0.64) - ??
+pisg (0.64) - Thu Feb, 24th 2005
    Morten:
    * Updated translations:
      + Swedish (thanks, Torbjörn Svensson)

modules/Pisg.pm

@@ -204,7 +204,7 @@ sub get_default_config_settings
         botnicks => '',            # Needed for DCpp format (non-irc)
 
         dailyactivity => 0,
-        version => "0.63",
+        version => "0.64",
     };
 
     # This enables us to use the search_path in other modules