Mac OS config file isn't encoded to json properly

[ishayhil]

bookmark10 holds an empty object since json.encode doesn't encode the config file properly on Mac OS. We'll need to split the configuration file into tags and tags_by_end_time and save them in 2 different bookmarks

Error while running script /Applications/VLC.app/Contents/MacOS/share/lua/extensions/intf_ext.lua, 
function load_config: 
...app/Contents/MacOS/share/lua/extensions/cnsr_intf.lua:127: attempt to index global 'cfg' (an empty value)