Update changelog

CHANGELOG.md

@@ -2,6 +2,28 @@
 
 ## [Unreleased]
 
+### Added
+
+* Added OpenSSL 1.1.1 support.
+* Added `Rsa::public_key_from_pem_pkcs1`.
+* Added `SslOptions::NO_TLSV1_3`. (OpenSSL 1.1.1 only)
+* Added `SslVersion` and `SslRef::version2`.
+* Added `SslSessionCacheMode` and `SslContextBuilder::set_session_cache_mode`.
+* Added `SslContextBuilder::set_new_session_callback`,
+    `SslContextBuilder::set_remove_session_callback`, and
+    `SslContextBuilder::set_get_session_callback`.
+* Added `SslContextBuilder::set_keylog_callback`. (OpenSSL 1.1.1 only)
+* Added `SslRef::client_random` and `SslRef::server_random`. (OpenSSL 1.1.0+ only)
+
+### Fixed
+
+* The `SslAcceptorBuilder::mozilla_modern` constructor now disables TLSv1.0 and TLSv1.1 in
+    accordance with Mozilla's recommendations.
+
+### Deprecated
+
+* `SslRef::version` has been deprecated. Use `SslRef::version_str` instead.
+
 ## [v0.10.3] - 2018-02-12
 
 ### Added