Issue #18709: Fix CVE-2013-4238. The SSL module now handles NULL bytes
inside subjectAltName correctly. Formerly the module has used OpenSSL's
GENERAL_NAME_print() function to get the string represention of ASN.1
strings for rfc822Name (email), dNSName (DNS) and
uniformResourceIdentifier (URI).
Issue #18759: Improved cross-references in logging documentation.
#18705: fix a number of typos.  Patch by F?vry Thibault.
Issue #18178: Fix ctypes on BSD. dlmalloc.c was compiled twice which broke malloc weak symbols.
merge 2.7
#18741: fix more typos.  Patch by F?vry Thibault.
#18466: fix more typos.  Patch by F?vry Thibault.
Issue #18768: coding style nitpick. Thanks to Vajrasky Kok
Issue 18768: Correct doc string of RAND_edg(). Patch by Vajrasky Kok.