Actix web 0.4.5

Changes

• Fix compression #103 and #104

• Fix client cookie handling #111

• Non-blocking processing of a NamedFile

• Enable compression support for NamedFile

• Better support for NamedFile type

• Add ResponseError impl for SendRequestError. This improves ergonomics of the client.

• Add native-tls support for client

• Allow client connection timeout to be set #108

• Allow to use std::net::TcpListener for HttpServer

• Handle panics in worker threads