Allow filtering and sorting browse list by number of words in texts.

[Philip Burns]

To implement this reasonably, range queries need to work properly in eXist. Currently (as of 3.6) they are broken.

Check if these are fixed in eXist v4.0.

[Craig Berry]

Resolved by:

#!

commit 08621501a98518a50340b497e23dedcfc91d8be2
Author: Philip R. Burns <[e-mail]>
Date:   Wed Mar 14 15:43:17 2018 -0500

    Filter and sort by word and work counts.

    Also display them under the More button.