+ add route to get all settings
+ add route to set any setting
+ add untested migration to add settings into settings db
+ compress json in api responses using FlaskCompress
+ serve gziped assets if browser accepts encoded files
+ misc
+ fix help text
+ run populate once when -nps flag is used
+ update app version
+ sort tracks by track and disc no. when saving to playlist
+ serialize search results
+ update tags.artist -> tags.artists
+ update tags.albumartist -> tags.albumartists
+ remove artist images from serialized albums
+ add function to serialize artists for cards
+ misc
