Corrected version number. Asked for latest imjs
Backwards compatibility for widgets code.
Be cleverer about fetching category info. Fixes #73

This addresses the fact that the list categorisation system was being
pretty dumb about figuring out catagories, in a kind of hope and pray
kind of way. This causes ugly errors in web-applications that display
failed http requests to end users.
Handle the case where we don't span the page-width
Encapsulate custom query logic in iife
Add support for tables less than 60% of the width of the body