- [x] Complete Python Panel+Wallpaper port.
  - [x] Application menu (with nesting)
  - [x] Include `pycairo` in standard distribution.
  - [x] Alt-tab window switcher.
  - [x] Keyboard shortcuts (launch terminal, etc.)
  - [x] Kill original wallpaper/panel.
  - [ ] Other improvements
    - [ ] Weather widget?
- [x] GUI Applications
  - [x] About ToaruOS (basically the `live-wizard` first page) 
  - [x] File Explorer (basically the wallpaper but with navigation?)
  - [x] Help Browser (rich text viewer + navigation menus?)
  - [x] New Image Viewer (Python, Cairo for loading PNGs; maybe w/ panning and zooming support) (optional)
  - [x] Open File dialog (+ tool that can be called for, say, `pdfviewer`) (optional)
- [ ] Package Installation
  - [x] Move `get-py` functionality to a library?
  - [x] GUI package manager
     - [x] List packages
     - [x] Install
     - [ ] Uninstall? We don't really know how to do this.
     - [ ] Needs to support downloads in background while performing UI tasks. (close enough...)
  - [x] Menu item installation for application packages
- [ ] Writable on-disk filesystem
  - [x] EXT2 write support (still a bit odd, but works)
  - [ ] "ToaruFS"

Toolkit features:
- [ ] Basic containers (horizontal/vertical layouts, tables)
- [x] Menu bars (horizontal layout + labels + background rendering; + calls to nested menus)
- [x] Buttons (with icons and labels? maybe can hold a container as a child)
- [x] Text labels
- [x] Text input boxes (with at least basic editing; scrolling?)
- [x] File browser? Maybe table with icons...
- [x] Images
- [x] Windows

Example application, "About ToaruOS":

- Window
  - VerticalLayout
    - Image `/usr/share/logo_login.png`
    - TextLabel `set_rich_text("<b>ToaruOS {version}</b>\n...")`
    - HorizontalLayout
      - Button "Help" (icon: "help")
      - Button "Close" (icon: "close")