Prevent browsers from jumping when refresh is pressed.
Removed the "x" parameter since it was not used.
Skip chapters for books with just one chapter.
Some cleanup.
Store the proper verse format in raw_query so that when reloading the page, it knows can find the right position.
Documented on_state_change().
Store the highlighted string in options.raw_query as well.
Rewrite the URL if it is wrong to correctly restore the position on reloads.