POP Peeper v3.1 has been released.
It is available for download here:
http://www.poppeeper.com/download.php
The changes include adding SSL support for Imap (GMail can be accessed with this) and many bug fixes. For a complete list of changes:
http://www.poppeeper.com/whatsnew.php
GMail (webmail) decided to welcome the new version of POP Peeper by making a change that caused error -1004. This fix has been released and is only available for POP Peeper v3.1. POP Peeper will automatically update if you have automatic updates enabled, otherwise, visit this page for instructions:
http://www.poppeeper.com/Plugins/webmail.php