2.2.5

Fix error for undisclosed recipients in CC/BCC
Add connection retry & connection retry delay settings
Fix MIME string conversion on servers with disabled iconv()
Deprecate createCustomMailbox() method
Fix non-unique attachment file name for internal-content attachments
Fix mailbox folders listing method
Add getMailHeader() method (extended version of getMailsInfo())
Mailbox create/rename/delete methods
Update installation instruction in README
Add link to php-imap bundle for Symfony framework in README
Add getter & setter for serverEncoding property
Add setTimeouts() method to manage timeouts
Fix IDE warnings
Fix compatibility with PHP 5.3
Optimize memory usage & parsing speed for emails with attachments