Released version 1.3.15 with the following main changes :
    - [BUILD] Added support for 'make install'
    - [BUILD] Added 'install-man' make target for installing the man page
    - [BUILD] Added 'install-bin' make target
    - [BUILD] Added 'install-doc' make target
    - [BUILD] Removed "/" after '$(DESTDIR)' in install targets
    - [BUILD] Changed 'install' target to install the binaries first
    - [BUILD] Replace hardcoded 'LD = gcc' with 'LD = $(CC)'
    - [MEDIUM]: Inversion for options
    - [MEDIUM]: Count retries and redispatches also for servers, fix redistribute_pending, extend logs, %d->%u cleanup
    - [BUG]: Restore clearing t->logs.bytes
    - [MEDIUM]: rework checks handling
    - [DOC] Update a "contrib" file with a hint about a scheme used for formathing subjects
    - [MEDIUM] Implement "track [<backend>/]<server>"
    - [MINOR] Implement persistent id for proxies and servers
    - [BUG] Don't increment server connections too much + fix retries
    - [MEDIUM]: Prevent redispatcher from selecting the same server, version #3
    - [MAJOR] proto_uxst rework -> SNMP support
    - [BUG] appsession lookup in URL does not work
    - [BUG] transparent proxy address was ignored in backend
    - [BUG] hot reconfiguration failed because of a wrong error check
    - [DOC] big update to the configuration manual
    - [DOC] large update to the configuration manual
    - [DOC] document more options
    - [BUILD] major rework of the GNU Makefile
    - [STATS] add support for "show info" on the unix socket
    - [DOC] document options forwardfor to logasap
    - [MINOR] add support for the "backlog" parameter
    - [OPTIM] introduce global parameter "tune.maxaccept"
    - [MEDIUM] introduce "timeout http-request" in frontends
    - [MINOR] tarpit timeout is also allowed in backends
    - [BUG] increment server connections for each connect()
    - [MEDIUM] add a turn-around state of one second after a connection failure
    - [BUG] fix typo in redispatched connection
    - [DOC] document options nolinger to ssl-hello-chk
    - [DOC] added documentation for "option tcplog" to "use_backend"
    - [BUG] connect_server: server might not exist when sending error report
    - [MEDIUM] support fully transparent proxy on Linux (USE_LINUX_TPROXY)
    - [MEDIUM] add non-local bind to connect() on Linux
    - [MINOR] add transparent proxy support for balabit's Tproxy v4
    - [BUG] use backend's source and not server's source with tproxy
    - [BUG] fix overlapping server flags
    - [MEDIUM] fix server health checks source address selection
    - [BUG] build failed on CONFIG_HAP_LINUX_TPROXY without CONFIG_HAP_CTTPROXY
    - [DOC] added "server", "source" and "stats" keywords
    - [DOC] all server parameters have been documented
    - [DOC] document all req* and rsp* keywords.
    - [DOC] added documentation about HTTP header manipulations
    - [BUG] log response byte count, not request
    - [BUILD] code did not build in full debug mode
    - [BUG] fix truncated responses with sepoll
    - [MINOR] use s->frt_addr as the server's address in transparent proxy
    - [MINOR] fix configuration hint about timeouts
    - [DOC] minor cleanup of the doc and notice to contributors
    - [MINOR] report correct section type for unknown keywords.
    - [BUILD] update MacOS Makefile to build on newer versions
    - [DOC] fix erroneous "useallbackups" option in the doc
    - [DOC] applied small fixes from early readers
    - [MINOR] add configuration support for "redir" server keyword
    - [MEDIUM] completely implement the server redirection method
    - [TESTS] add a test case for the server redirection mechanism
    - [DOC] add a configuration entry for "server ... redir <prefix>"
    - [BUILD] backend.c and checks.c did not build without tproxy !
    - Revert "[BUILD] backend.c and checks.c did not build without tproxy !"
    - [BUILD] backend.c and checks.c did not build without tproxy !
    - [OPTIM] used unsigned ints for HTTP state and message offsets
    - [OPTIM] GCC4's builtin_expect() is suboptimal
    - [BUG] failed conns were sometimes incremented in the frontend!
    - [BUG] timeout.check was not pre-set to eternity
    - [TESTS] add test-pollers.cfg to easily report pollers in use
    - [BUG] do not apply timeout.connect in checks if unset
    - [BUILD] ensure that makefile understands USE_DLMALLOC=1
    - [MINOR] silent gcc for a wrong warning
    - [CLEANUP] update .gitignore to ignore more temporary files
    - [CLEANUP] report dlmalloc's source path only if explictly specified
    - [BUG] str2sun could leak a small buffer in case of error during parsing
    - [BUG] option allbackups was not working anymore in roundrobin mode
    - [MAJOR] implementation of the "leastconn" load balancing algorithm
    - [BUILD] ensure that users don't build without setting the target anymore.
    - [DOC] document the leastconn LB algo
    - [MEDIUM] fix stats socket limitation to 16 kB
    - [DOC] fix unescaped space in httpchk example.
    - [BUG] fix double-decrement of server connections
    - [TESTS] add a test case for port mapping
    - [TESTS] add a benchmark for integer hashing
    - [TESTS] add new methods in ip-hash test file
    - [MAJOR] implement parameter hashing for POST requests