Suggested DraftCode fix.

draftcode.php

<?php
if ( !class_exists( 'DraftCode' ) ) {
	/**
	 * Our DraftCode class fixes WordPress compatibility issues.
	 */
	class DraftCode
	{
		public function __construct()
		{
			global $wp_filter;
			$wp_filter['redirect_canonical'][0]['dc_redirect_canonical'] = array( 'function' =>  array(&$this, 'dc_redirect_canonical'), 'accepted_args' => 1 );
			$wp_filter['pre_update_option_siteurl'][0]['dc_pre_update_option_siteurl'] = array( 'function' =>  array(&$this, 'dc_pre_update_option_siteurl'), 'accepted_args' => 1 );
		}

		/**
		 * Hook redirect_url event to make canonical.php redirection loop fix
		 */
		public function dc_redirect_canonical( $redirect_url )
		{
			$redirect_url = preg_replace('|index\.php$|', '/', $redirect_url);

			return $redirect_url;
		}

		/**
		 * Suppress initial Apache warning from SQLite Integration plugin
		 */
		public function dc_pre_update_option_siteurl( $value )
		{
			global $_SERVER;
			$_SERVER['SERVER_SOFTWARE'] = 'apache';
			return $value;
		}
	}
	global $draftCode;
	$draftCode = new DraftCode();
}