Jaxel's Knowledge Book Update

[abbelyn]

I currently still use this, and it still works, however there is a function I find from time ti time useful in the default and other knowledge books that is not in here (was added since this was last updated). That feature would be the sort functions. I know a little xml and can modify to a small degree existing mods, but can't seem to figure out how to add this function to this window, anyone able to assist?