EasyViewer-PDF,epub,heic,Tiff

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- Fix file sorting algorithm (Thanks to J J)
- Fix auto-detection of webtoon mode (Thanks to 엄수연)
- Fix css parser
- Fix cache manager
- Webtoon mode (Thanks to 엄수연)
Fix screen shake when scrolling
Fix image loading delay
- Improved file open options on the last page (Thanks to 엄수연)
Add file open (current folder) option
- Fix message handling
- Fix Furigana auto-detection
- Fix epub image list window bugs (Thanks to rara)