0.9.9.4

• Store the url instead of index for dowwnloaded chapter list, for more reliable validation.
  IMPORTANT! THIS WILL MAKE YOUR OLD DOWNLOADED CHAPTER LIST UNUSABLE.
  RECOMMENDED TO DELETE YOUR downloadedchapters.ini BEFORE ADDING NEW TASK
• Merge downloaded chapter list from favorite to main downloaded chapter list.
• Add menu "View manga info" in download list (only accesible if your task added from current version upward)
• SenMangaRAW: added update list script
• S2Scans: rewrite all script
• Various changes and bug fixes