ZArchiver Cloud Plugin

- Fixed WebDav, FTPS support;
- Fixed file list caching;
- Updated dependencies;
- Minor fixes.

In order to work, the ZArchiver Cloud Plugin requires the ZArchiver app to be installed. It does not work as a standalone app!

This plug-in provides access to several cloud storages and allows you to upload and download files to and from them.

The plug-in supports:
* WebDAV protocol
* Dropbox
* 4shared.com
* box.com
* MediaFire
* Yandex Disk
* Mail.ru Cloud
* FTP / SFTP / FTPS protocols