Added 5 new events - "BeforeUserLoggedIn", "BeforeFileDownloaded", "BeforeFileUploaded", "BeforeFileDeleted", "BeforeDirDeleted".
Improvement - Updated libssh to the latest version 0.9.0.
Improvement - Added more SFTP MAC algorithms and key exchange algorithms.
Fixed a bug - Server listener hangs and won't accept any connection under some system.
Fixed a bug - When generating thumbnail for special image, Wing FTP Server might crash under Linux.
Fixed a bug - Memory might be leaked when sending email.
Fixed a bug - File transfer via Wing Gateway might be interrupted in some situation.
Added a feature - Add an option "SET NAMES UTF8" for Mysql database, for avoiding mojibake with non-English data.
Improvement - Updated the Help Manual for Wing FTP Server.