Changes to squid-4.0.8 (02 Apr 2016):
- Bug 4459: FHS compliance: move netdb.state and ssl_db to /var/cache/squid
- Bug 4458: Behaviour change with external ACL arguments
- Bug 4450: wait() related cleanup
- Bug 4438: SIGSEGV in memFreeString() destructing SBuf globals on shutdown/restart
- Bug 4312: Support disabling collapsed forwarding SMP cooperation
- Bug 3826: SMP compatibility with systemd and --foreground option
- Bug 1979: Add ACL-driven server_pconn_for_nonretriable squid.conf directive
- Bug 7 (partial): Update cached entries on 304 responses
- Add reply_header_add directive
- HTTP/1.1: Do not prohibit updating Last-Modified on 304 responses
- Fix memory leaks of lastAclData and AccessLogentry::url
- Fix clang -Winconsistent-missing-override warning
- Tests: update test suite for GnuTLS
- ... and some documentation updates
- ... and some code cleanup and polishing
- ... and all fixes from squid 3.5.16