This will optionally add the cumulative turtle counts for each category to the srs-progress display. It will also mark increases and decreases in all the counts since the last display (for example, right after a review session.) By RhosVeedcy.
< Feedback on WaniKani Turtle Total
I could probably just use localstorage instead.
Assessment
Can you load jstorage from a CDN like http://cdnjs.com/ ?