Update CHANGELOG

CHANGELOG.md

@@ -45,6 +45,8 @@ This project adheres to [Semantic Versioning](http://semver.org/).
   ([#785](https://github.com/nix-rust/nix/pull/785))
 - Added `nix::unistd::execveat` on Linux and Android.
   ([#800](https://github.com/nix-rust/nix/pull/800))
+- Added more standard trait implementations for various types.
+  ([#814](https://github.com/nix-rust/nix/pull/814))
 
 ### Changed
 - Use native `pipe2` on all BSD targets.  Users should notice no difference.
@@ -80,6 +82,9 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - The `ucred` struct has been removed in favor of a `UserCredentials` struct that
   contains only getters for its fields.
   ([#814](https://github.com/nix-rust/nix/pull/814))
+- Both `ip_mreq` and `ipv6_mreq` have been replaced with `IpMembershipRequest` and
+  `Ipv6MembershipRequest`.
+  ([#814](https://github.com/nix-rust/nix/pull/814))
 
 
 ### Fixed
@@ -95,6 +100,10 @@ This project adheres to [Semantic Versioning](http://semver.org/).
   ([#747](https://github.com/nix-rust/nix/pull/747))
 - The `Errno` variants are no longer reexported from the `errno` module. `Errno` itself is no longer reexported from the
   crate root and instead must be accessed using the `errno` module. ([#696](https://github.com/nix-rust/nix/pull/696))
+- Removed `MS_VERBOSE`, `MS_NOSEC`, and `MS_BORN` from `MsFlags`. These
+  are internal kernel flags and should never have been exposed.
+  ([#814](https://github.com/nix-rust/nix/pull/814))
+
 
 ## [0.9.0] 2017-07-23