### ToDo

    - Gallery: Adaptable image justification in grid
    	- Can we make this passive??? (i.e. CSS only)
    	- Make more accurate -- align right side to pixel...
    - Gallery: Spacial navigation (up/down/left/right)
    	- option: .loop_images (in porgress)
    	- Up/Down: might be a good idea to err slightly to the left
    - Gallery: PageUp/PageDown, home/end + allow page navigation
    - Gallery: focus visible (if no current)...
    - Gallery/Lightbox: Selection of images (space / ctrl-a / ctrl-d / ctrl-i)
    	- Lightbox: show selection marker
    - Gallery: constructor (list of urls)
    - Gallery: views
    	- "make view from selection"
    	- close view
    	- multiple view stack
    - Gallery: drop images
    - Gallery: drag to sort
    - Gallery: remove image
    - Gallery: serialize / deserialize
    - Lightbox: navigation (keyboard / mouse)
    - Lightbox: fullscreen mode
    - Gallery: element (???)
    - ...