[PATCH 1/4] remove serendipity_serverOffsetHour() workaround as this function is now in core [PATCH 2/4] remove blogg.de anti-spamlist support as it has been discontinued [PATCH 3/4] proper locking of .htaccess file to prevent race condition and partial file over-writes [PATCH 4/4] allow multiple Deny From lines in .htaccess so more IPs can be simultaneously blocked for busy sites