Bcloud

* Support RSA encryption
* Show MegaBytes in DownloadPage
* Add dark-theme switch
* Fixed: dlink not in pcs_file
* Fixed: tooltip of filelist in CloudPage error
* i18n updated

* Handle cloud error code
* Control buttons are redesigned
* Fixed: TypeError: load() takes 2 positional argumenst but 3 were given; found by ly0
* Fixed: AttributeError: 'IconWindow' object has no attribute 'filelist'
* Support downloading multiple cloud tasks; adviced by nanpuyue
* Using local auth cache only if this account is allowed to signin automatically.
* Add reload button to FolderBrowserDialog
* i18n updated

* Fixed: 'uploadPage' object has no attribute 'reload'
* Fixed: escape special HTML chars in password; reported by zhoujy
* pypy -> bypy; reported by hot123tea123
* Set Uploader/Downloader as daemon
* Support uploading hidden files option
* Fixed: loading UNKNOWN icon
* Fixed: check image is intact before loading
* Fixed: check themed icon is not None; reported by fclucky777
* Add loading spin to TrashPage and CloudPage
* Delete outdated information
* Set background thread as Daemon
* Split a large file(512M~10G) to 1000 pieces
* i18n updated

* Call App.quit explicitly
* Fixed: VCodeDialog response type error
* Fixed: FS_ID not match in Downloader
* Fixed: DownloadPage has no attribute `toast`
* Fixed: Information in properties dialog does not match with its contents
* Fixed: Check meta status before downloading
* Add loading spinner to pages
* Add similar projects
* Scan downloading tasks in the last process
* i18n updated

* Rewrite Downloader to accelerate downloading speed
* Fixed: check row is not None
* Show downloading speed

* Remove all debug info
* Explicitly destroy DownloadPage and UploadPage
* Fixed: status icon disappears after preferences dialog destroyed
* Automatically adjust uploading slice size based on file size
* Uploading slice size option removed from Preferences dialog
* Fixed: Saving uploading/downloading status of current user before loggint out
* Fixed: Check video streaming status before loading with player
* Fixed: NameError global name `dbus` is not defined
* Store downloading status to database
* Automatically migrate tasks to new tables