curl and libcurl 7.64.0

 Public curl releases:         179
 Command line options:         220
 curl_easy_setopt() options:   265
 Public functions in libcurl:  80
 Contributors:                 1875

This release includes the following changes:

 o cookies: leave secure cookies alone [3]
 o hostip: support wildcard hosts [23]
 o http: Implement trailing headers for chunked transfers [7]
 o http: added options for allowing HTTP/0.9 responses [10]
 o timeval: Use high resolution timestamps on Windows [19]

This release includes the following bugfixes:

 o FAQ: remove mention of sourceforge for github [22]
 o OS400: handle memory error in list conversion [4]
 o OS400: upgrade ILE/RPG binding.
 o Revert http_negotiate: do not close connection [31]
 o THANKS: added several missing names from year <= 2000
 o cmake: use lowercase for function name like the rest of the code [20]
 o conncache_unlock: avoid indirection by changing input argument type
 o cookies: allow secure override when done over HTTPS [34]
 o cookies: extend domain checks to non psl builds [12]
 o cookies: skip custom cookies when redirecting cross-site [36]
 o curl --xattr: strip credentials from any URL that is stored [33]
 o curl -J: refuse to append to the destination file [14]
 o curl/urlapi.h: include "curl.h" first [30]
 o curl_multi_remove_handle() don't block terminating c-ares requests [32]
 o darwinssl: accept setting max-tls with default min-tls [6]
 o disconnect: separate connections and easy handles better [18]
 o disconnect: set conn->data for protocol disconnect
 o docs/version.d: mention MultiSSL [26]
 o docs: fix the --tls-max description [2]
 o gopher: always include the entire gopher-path in request [5]
 o http2: clear pause stream id if it gets closed [8]
 o if2ip: remove unused function Curl_if_is_interface_name [9]
 o libssh: free sftp_canonicalize_path() data correctly [17]
 o libtest/stub_gssapi: use "real" snprintf [27]
 o mbedtls: use VERIFYHOST [15]
 o multi: multiplexing improvements [35]
 o ntlm: fix NTMLv2 compliance [25]
 o openvms: fix OpenSSL discovery on VAX [21]
 o openvms: fix typos in documentation
 o pingpong: change default response timeout to 120 seconds
 o pingpong: ignore regular timeout in disconnect phase [16]
 o printf: fix format specifiers [28]
 o schannel: fix compiler warning [29]
 o smb: fix incorrect path in request if connection reused [13]
 o test1561: improve test name
 o tests: allow tests to pass by 2037-02-12 [38]
 o timediff: fix math for unsigned time_t [37]
 o urlapi: Fix port parsing of eol colon [1]
 o urlapi: distinguish possibly empty query [5]
 o urlapi: fix parsing ipv6 with zone index [24]
 o wolfssl: fix memory-leak in threaded use [11]

This release includes the following known bugs:

 o see docs/KNOWN_BUGS (https://curl.haxx.se/docs/knownbugs.html)

This release would not have looked like this without help, code, reports and
advice from friends like these:

  Andrei Neculau, Ayoub Boudhar, Ben Kohler, Bernhard M. Wiedemann,
  Brad Spencer, Claes Jakobsson, Daniel Gustafsson, Daniel Stenberg,
  David Garske, dnivras on github, Eric Rosenquist, Florian Pritz,
  GitYuanQu on github, Harry Sintonen, Huzaifa Sidhpurwala, jasal82 on github,
  Jeroen Ooms, Kamil Dudka, Katsuhiko YOSHIDA, Leonardo Taccari, Marcel Raad,
  Markus Moeller, masbug on github, Matus Uzak, Patrick Monnerat, Pavel Pavlov,
  Rikard Falkeborn, Ruslan Baratov, Sergei Nikulov, Shlomi Fish,
  Tobias Lindgren, Tom van der Woerdt, Viktor Szakats,
  (33 contributors)

        Thanks! (and sorry if I forgot to mention someone)

References to bug reports and discussions on issues:

 [1] = https://curl.haxx.se/bug/?i=3365
 [2] = https://curl.haxx.se/bug/?i=3368
 [3] = https://curl.haxx.se/bug/?i=2956
 [4] = https://curl.haxx.se/bug/?i=3372
 [5] = https://curl.haxx.se/bug/?i=3369
 [6] = https://curl.haxx.se/bug/?i=3367
 [7] = https://curl.haxx.se/bug/?i=3350
 [8] = https://curl.haxx.se/bug/?i=3392
 [9] = https://curl.haxx.se/bug/?i=3401
 [10] = https://curl.haxx.se/bug/?i=2873
 [11] = https://curl.haxx.se/bug/?i=3395
 [12] = https://curl.haxx.se/bug/?i=2964
 [13] = https://curl.haxx.se/bug/?i=3388
 [14] = https://curl.haxx.se/bug/?i=3380
 [15] = https://curl.haxx.se/bug/?i=3376
 [16] = https://curl.haxx.se/bug/?i=3264
 [17] = https://curl.haxx.se/bug/?i=3402
 [18] = https://curl.haxx.se/bug/?i=3400
 [19] = https://curl.haxx.se/bug/?i=3318
 [20] = https://curl.haxx.se/bug/?i=3196
 [21] = https://curl.haxx.se/bug/?i=3407
 [22] = https://curl.haxx.se/bug/?i=3410
 [23] = https://curl.haxx.se/bug/?i=3406
 [24] = https://curl.haxx.se/bug/?i=3411
 [25] = https://curl.haxx.se/bug/?i=3286
 [26] = https://curl.haxx.se/bug/?i=3432
 [27] = https://curl.haxx.se/mail/lib-2019-01/0000.html
 [28] = https://curl.haxx.se/bug/?i=3426
 [29] = https://curl.haxx.se/bug/?i=3435
 [30] = https://curl.haxx.se/bug/?i=3438
 [31] = https://curl.haxx.se/bug/?i=3384
 [32] = https://curl.haxx.se/bug/?i=3371
 [33] = https://curl.haxx.se/bug/?i=3423
 [34] = https://curl.haxx.se/bug/?i=3445
 [35] = https://curl.haxx.se/bug/?i=3436
 [36] = https://curl.haxx.se/bug/?i=3417
 [37] = https://curl.haxx.se/bug/?i=3449
 [38] = https://curl.haxx.se/bug/?i=3443
