ChangeLog :
===========
+2022/02/16 : 2.5.2
+ - BUG/MEDIUM: connection: properly leave stopping list on error
+ - BUG/MEDIUM: htx: Adjust length to add DATA block in an empty HTX buffer
+ - BUG/MINOR: httpclient: don't send an empty body
+ - BUG/MINOR: httpclient: set default Accept and User-Agent headers
+ - BUG/MINOR: httpclient/lua: don't pop the lua stack when getting headers
+ - BUILD/MINOR: fix solaris build with clang.
+ - BUG/MEDIUM: server: avoid changing healthcheck ctx with set server ssl
+ - DOC: management: mark "set server ssl" as deprecated
+ - MEDIUM: cli: yield between each pipelined command
+ - MINOR: channel: add new function co_getdelim() to support multiple delimiters
+ - BUG/MINOR: cli: avoid O(bufsize) parsing cost on pipelined commands
+ - MEDIUM: h2/hpack: emit a Dynamic Table Size Update after settings change
+ - BUG/MEDIUM: cli: Never wait for more data on client shutdown
+ - BUG/MEDIUM: mcli: do not try to parse empty buffers
+ - BUG/MEDIUM: mcli: always realign wrapping buffers before parsing them
+ - BUG/MINOR: stream: make the call_rate only count the no-progress calls
+ - DEBUG: cli: add a new "debug dev fd" expert command
+ - BUILD: debug/cli: condition test of O_ASYNC to its existence
+ - DEBUG: pools: add new build option DEBUG_POOL_INTEGRITY
+ - REGTESTS: ssl: Fix ssl_errors regtest with OpenSSL 1.0.2
+ - BUG/MEDIUM: mworker: don't lose the stats socket on failed reload
+ - BUG/MINOR: mworker: does not add the -sf in wait mode
+ - BUG/MINOR: pools: always flush pools about to be destroyed
+ - DEBUG: pools: add extra sanity checks when picking objects from a local cache
+ - DEBUG: pools: let's add reverse mapping from cache heads to thread and pool
+ - DEBUG: pools: replace the link pointer with the caller's address on pool_free()
+ - BUG/MAJOR: sched: prevent rare concurrent wakeup of multi-threaded tasks
+ - BUG/MINOR: mworker: does not erase the pidfile upon reload
+ - DEBUG: fd: make sure we never try to insert/delete an impossible FD number
+ - MINOR: listener: replace the listener's spinlock with an rwlock
+ - BUG/MEDIUM: listener: read-lock the listener during accept()
+ - BUG/MINOR: httpclient: Revisit HC request and response buffers allocation
+ - BUG/MEDIUM: httpclient: Xfer the request when the stream is created
+ - BUG/MINOR: ssl: Remove empty lines from "show ssl ocsp-response <id>" output
+ - BUG/MINOR: jwt: Double free in deinit function
+ - BUG/MINOR: jwt: Missing pkey free during cleanup
+ - BUG/MINOR: jwt: Memory leak if same key is used in multiple jwt_verify calls
+ - BUG/MINOR: httpclient/cli: display junk characters in vsn
+ - BUG/MAJOR: http/htx: prevent unbounded loop in http_manage_server_side_cookies
+ - BUG/MAJOR: spoe: properly detach all agents when releasing the applet
+ - REGTESTS: server: close an occasional race on dynamic_server_ssl.vtc
+ - REGTESTS: peers: leave a bit more time to peers to synchronize
+ - BUG/MEDIUM: h2/hpack: fix emission of HPACK DTSU after settings change
+ - BUG/MINOR: mux-h2: update the session's idle delay before creating the stream
+
2022/01/11 : 2.5.1
- BUG/MINOR: cache: Fix loop on cache entries in "show cache"
- BUG/MINOR: httpclient: allow to replace the host header