Update dependencies and bump version

Version 0.5.1 released

Signed-off-by: Alexey Galakhov <agalakhov@snapview.de>

Cargo.toml

@@ -6,9 +6,9 @@ keywords = ["websocket", "io", "web"]
 authors = ["Daniel Abramov <dabramov@snapview.de>", "Alexey Galakhov <agalakhov@snapview.de>"]
 license = "MIT"
 homepage = "https://github.com/snapview/tokio-tungstenite"
-documentation = "https://docs.rs/tokio-tungstenite/0.5.0"
+documentation = "https://docs.rs/tokio-tungstenite/0.5.1"
 repository = "https://github.com/snapview/tokio-tungstenite"
-version = "0.5.0"
+version = "0.5.1"
 
 [features]
 default = ["connect", "tls"]
@@ -21,16 +21,16 @@ futures = "0.1.17"
 tokio-io = "0.1.2"
 
 [dependencies.tungstenite]
-version = "0.5.2"
+version = "0.5.3"
 default-features = false
 
 [dependencies.bytes]
 optional = true
-version = "0.4.4"
+version = "0.4.6"
 
 [dependencies.native-tls]
 optional = true
-version = "0.1.4"
+version = "0.1.5"
 
 [dependencies.tokio-dns-unofficial]
 optional = true
@@ -42,8 +42,8 @@ version = "0.1.9"
 
 [dependencies.tokio-tls]
 optional = true
-version = "0.1.3"
+version = "0.1.4"
 
 [dev-dependencies]
-tokio-core = "0.1.11"
+tokio-core = "0.1.12"
 url = "1.6.0"