Log Message:
gallery-dl: Update net/gallery-dl to 1.0.1

Changes:
 - Added support for: xvideos (#45)
 - Fixed exception handling during file downloads which could lead to a
   premature exit
 - Fixed an issue with tumblr where not all images would be downloaded when
   using tags (#48)
 - Fixed extraction issues for imgbox (#47), mangastream (#49), and
   mangahere