Instead of having a List of options in the Left pane. Maybe we could have Those same options as Tabs across the Top under the find box. Keeping all Files separate, and Organized under each of their respective titles. Whichever tab is selected will be the tab the "Find Box" searches. As well upon right clicking any particular tab the option to make a new file is an option (as well as any others that can be suggested for each tab When the "New" option is selected, it functions the same as now. The only thing that changes is the Menus appearance.
