Log Message:
feh: Update to 3.4

* Release v3.4
    * Images loaded via HTTPS/curl, ImageMagick, and dcraw are now cached
      by default to decrease image load time on subsequent slideshow passes.
      Caching is disabled when using `--reload` and can also be disabled with
      the new `--no-conversion-cache` option. Suggestion and initial patch by
      Awal Garg.
    * Handle SIGINT/SIGTERM/SIGQUIT signals while loading images using libcurl
      < v7.32. Patch by <https://github.com/c99pedant>.
    * "feh --start-at URL" now loads a single-image slideshow \ 
displaying URL.
      This allows feh.desktop to handle URLs as well as ordinary files.
      file:/// URLs are treated as local files, so "feh --start-at \ 
file:///..."
      without filelist arguments behaves just like "feh --start-at ..."
      (i.e., feh will load the entire directory and start the slideshow at ...)
    * Fix a memory leak when repeatedly cycling through slideshows containing
      images loaded via libcurl, ImageMagick or dcraw.