Changes to squid-3.4.2 (30 Dec 2013):
- Regression Bug 3980: FATAL ERROR due to max_user_ip -s option
- Regression Fix: \-unescaping in quoted strings from helpers
- Regression Fix: URL helper API bypassing on URL containing '=' character
- Bug 3985: 60s limit introduced by balance_on_multiple_ip breaks bad IP recovery
- Bug 3806: Caching responses with Vary header
- Bug 3498: FTP PUT assertion
- WCCPv2: Fix assertion 'Cannot convert non-IPv4 to IPv4' on FreeBSD
- Enable concurrency by default for SSL certificate validator
- ... and fix several build errors