Curl and libcurl 7.57.1

 Public curl releases:         172
 Command line options:         211
 curl_easy_setopt() options:   249
 Public functions in libcurl:  74
 Contributors:                 1649

This release includes the following changes:

 o

This release includes the following bugfixes:

 o travis: add boringssl build [1]
 o examples/xmlstream.c: don't switch off CURL_GLOBAL_SSL [2]
 o SSL: Avoid magic allocation of SSL backend specific data [3]
 o lib: don't export all symbols, just everything curl_* [4]

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:

  Daniel Stenberg, Dima Tisnek, Johannes Schindelin, W. Mark Kubacki,
  (4 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=2118
 [2] = https://curl.haxx.se/mail/lib-2017-12/0000.html
 [3] = https://curl.haxx.se/bug/?i=2119
 [4] = https://curl.haxx.se/bug/?i=2127