Fix weird issues with the levelups on wkstats that are assumed to be caused by new additions of kanji to levels
These are all versions of this script. Show only the versions where the code changed.
Futureproofing this to only run on when it sees calc_stats.js version 1.0.7.
calc_stats.js
Added a site match to the base https://www.wkstats.com/ website, which can occur when clicking on the logo.
https://www.wkstats.com/
