Made the rank editor actually refresh the ranks cache upon creating/editing/deleting a rank. It's 5 in the morning, I'm going to bed, release is first thing after breakfast and coffee.
# Used for testing mod_rewrite.
<IfModule mod_rewrite.c>
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule (.*) install.php?do=modrewrite_test&str=$1
</IfModule>