- Merge To be consistent with PixivBatchHandler. Fix #844 (#845) by fireattack.
- Implement #842: to use cacert.pem from the root directory if frozen.
- need to modify cloudscraper library to inherit 'verify' attribute from given Session object
- Merge Sketch default date fix (#841) by byjtje
NOTES: for login related issues, see #814 (comment)