[AndyB] Custom search 1.3

This add-on is designed to be used in special situations where the admin needs to locate posts that have some content (include) and missing other content (exclude).

Features:

All phrases start with customsearch_ for your convenience.

How to use:

1. Enter the search criteria into the Options page.
2. In your browser, add 'customsearch' to the URL of your forum and press enter.