Changing 404 to filter fat thumb results via similar_text function, and print site categories below.
404.php
#34 - Changed logic to acct. for high volume / lots of requests.
404.php
#34 - Changed logic to acct. for high volume / lots of requests - additional check for server response time.
404.php
Merge pull request #58 from ethanteague/34-et-1

Updating 404 page to display similar page results and categories.