Backuper

1. 26.1 support

4.0.4

1. Fixed server getting stuck on checking plugin updates

1. Fixed an error in transferring file through FTP connection
2. Fixed alert delay
3. Version check only on server startup (no check on /backuper reload)
4. Automated tests integration
5. Fixed the Backuper stucks on unable to check for plugin updates

1. 1.21.11 support
2. Fixed userRateLimitExceeded exception in Google Drive storages
3. Improved zip process stability

1. Improved AuthGD errors logging
2. Fixed a problem with checking updates