I have an issue with Twine 2 format handling, using a local copy of twine2. I deleted the Sugarcube format (from the format , and tried to add it again, but it doesn't show up, only the loading indicator circle rolling infinitelly. I tried a new directory with a freshly downloaded Twine2, but it's the same. (in the same browser. In a different browser, it works just fine)Is there a way to make a "clean install" of Twine 2? I tried to clean the cache, but it was no use. Or is there a cookie, or something else, where Twine 2 keeps information about formats and other user preferences?