This involves temporarily decrypting all values being searched and
inserting them into a temporary table. Creation of this table can be
very slow when IP history is optionally searched. It might be better to
not make the temp table and just do the IP filtering from PHP.

Fixes #2

Fixes #1

It's what we were using it for anyway

Disables autofill on request format, adds Censored option to Other
category, etc