Update the document list view

[vmario89]

Hi, i recognized that when you add new files or remove old files to/from an opened document, the left side document view will not update properly. I think the list view should update the file count each time the document gets manipulated. For example if you create a new document the display is "(0)". It should raise immediately to (1) if a file was added. It would help to have a better overview. At the moment to update i have to reload the view by typing some new search string or to modify the current one.

kind regards, Mario