Maximum depth for directory structures, prevents infinite loops
Adds missing return False
New notification system, file dialog can now be closed, deleting and creating directories
Saving and opening files now properly show errors
Nice icons for file dialog
Hot fix: Fixes file opening and icons
Support for viewing shared directories, improved file dialog
Global sharing, files are now sorted by name
Disables saving in read-only folders
Merge pull request #8 from Scintillo/backend

Backend