Merge branch 'better_SSL3.0_tests' into 'master'

improve gnutls-cli-debug testing of old SSL 3.0 servers

See merge request gnutls/gnutls!1221

diff --cc NEWS
index f9f8f5acadff2355b87f98b3f972d226f4b19880,b5d28e43878a7aa49f0f9c1f07a02413f314fb4f..48a2c0c5da4542c0a1f074c12e6e493e7bf27dee
--- 1/NEWS
--- 2/NEWS
+++ b/NEWS
@@@ -19,14 -16,12 +19,17 @@@ See the end for copying conditions
  gnutls_hkdf_extract: Added
  gnutls_hkdf_expand: Added
  gnutls_pbkdf2: Added
 +gnutls_session_get_keylog_function: Added
  gnutls_session_set_keylog_function: Added
  gnutls_prf_hash_get: Added
 +gnutls_psk_server_get_username2: Added
 +gnutls_psk_set_client_credentials2: Added
 +gnutls_psk_set_client_credentials_function2: Added
 +gnutls_psk_set_server_credentials_function2: Added
  
+ ** gnutls-cli-debug: Improved support for old servers that only support
+    SSL 3.0.
+ 
  * Version 3.6.12 (released 2020-02-01)
  
  ** libgnutls: Introduced TLS session flag (gnutls_session_get_flags())