Improved: render speed of the first render of a files list
Improved: folders are now added through a non-blocking loop too
Fixed: when uploading a folder, if a folder has only folders as children, it was not created
Fixed: new folder wasn't sorted properly among folders
Fixed: content was hidden by upload status when the user browsed
Refactored: folder deletion
Changed: upload status progress bar now always displays the progress percentage
Added: folders show an indicator when something is being uploaded in their subtree. Close #128
Removed: unimplement functions
Improves: uses break instead of boolean condition
Merge pull request #150 from jsilvestre/master

Various improvements