Added (very basic) spam filtering plugin support. Plugins can mark a message as spam by hooking into the spam check API, which is documented in functions.php. No spam checking functionality is built-in.
# Used for testing mod_rewrite.<IfModule mod_rewrite.c>RewriteEngine onRewriteCond %{REQUEST_FILENAME} !-fRewriteCond %{REQUEST_FILENAME} !-dRewriteRule (.*) install.php?do=modrewrite_test&str=$1</IfModule>