curl and libcurl 7.64.0

 Public curl releases:         179
 Command line options:         219
 curl_easy_setopt() options:   262
 Public functions in libcurl:  80
 Contributors:                 1829

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 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: extend domain checks to non psl builds [12]
 o curl -J: refuse to append to the destination file [14]
 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: 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 mbedtls: use VERIFYHOST [15]
 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 smb: fix incorrect path in request if connection reused [13]
 o urlapi: Fix port parsing of eol colon [1]
 o urlapi: distinguish possibly empty query [5]
 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, Claes Jakobsson, Daniel Gustafsson, Daniel
  Stenberg, David Garske, Eric Rosenquist, Harry Sintonen, Florian Pritz,
  jasal82 on github, Kamil Dudka, Leonardo Taccari, masbug on github, Matus
  Uzak, Patrick Monnerat, Pavel P, Ruslan Baratov, Sergei Nikulov, Tobias
  Lindgren, Viktor Szakats
  (20 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