cached webp images not clearing #74
Description
Clearing the cache with pthumb.clean_level set to 2 which should delete all cached images is not clearing webp images. They are remaining in the cache folder. This happens regardless of whether you have pthumb.use_ptcache set to yes or no.
Modx version: MODX Revolution 2.8.3-pl
pthumb version: 2.3.3-pl