tornado backend error correction
tornado backend error correction

[FileManager class improvements]
1. Copied used to have Move functionality. Method renamed
2. Added correct Copy method
3. Added downloadMultiple method
4. Fixed compress method (security fix)
joni2back/angular-filemanager,joni2back/angular-filemanager,joni2back/angular-filemanager,joni2back/angular-filemanager,joni2back/angular-filemanager