Update to hyper v0.13

Author: seanmonstar

Cargo.toml

@@ -15,7 +15,7 @@ vendored = ["native-tls/vendored"]
 
 [dependencies]
 native-tls = "0.2"
-hyper = { git = "https://github.com/hyperium/hyper", default-features = false, features = ["tcp"] }
+hyper = { version = "0.13", default-features = false, features = ["tcp"] }
 tokio = { version = "0.2" }
 tokio-tls = "0.3"