Clear all clippy warnings

Additionally, HttpServer::new_from_fd has been marked as unsafe,
since the correctness of the unsafe call within the function
relies on the caller upholding an invariant

Signed-off-by: Patrick Roy <roypat@amazon.co.uk>

CHANGELOG.md

@@ -1,3 +1,17 @@
+# Unreleased
+
+## Added
+
+- Implemented `Eq` for `common::headers::Encoding`, `common::headers::MediaType`, 
+  `common::headers::Headers`, `common::HttpHeaderError`, `common::Body`, `common::Version`,
+  `common::RequestError`, `request::Uri`, `request::RequestLine`, `response::StatusCode`,
+  `response::ResponseHeaders`
+
+## Changed
+
+- Mark `HttpServer::new_from_fd` as `unsafe` as the correctness of the unsafe code
+  in this method relies on an invariant the caller has to uphold
+
 # v0.1.0
 
 - micro-http v0.1.0 first release.