Improves the search for users in the backend significantly: Search for first name, last, email and more of users instead of only nicename.
Special characters like quotes are escaped, problems with the query may apper when trying to search for other non-alphanumeric characters.
Fix issue where attempting to activate the plugin would throw an "Invalid Header" error
Added options page to include custom user meta fields in the search.
Little code improvements.
Initial release to the Plugins directory.