Log Message:
sfeed_curses: Update to 0.9.9

Changes:
0.9.9
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 - mark as read: use the ID if the link is empty
 - sfeed_content: fix unescaping function
 - Add feature to process a sequence of keys automatically on startup via
   $SFEED_AUTOCMD environment variable
 - Add horizontal and monocle layout
 - Misc bugfixes and improvements