Fixed gzip output - no longer depends on ob_gzhandler(), uses gzencode() now with a failsafe available if gzencode() is not available. Public function gzip_output() remains unchanged.
# 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>