Upgrade env_logger

Upgraded env_logger from 0.4.3 to 0.5.3
Updated example code to match new env_logger::init() use.

Cargo.toml

@@ -35,4 +35,4 @@ optional = true
 version = "0.1.5"
 
 [dev-dependencies]
-env_logger = "0.4.3"
+env_logger = "0.5.3"

examples/autobahn-client.rs

@@ -46,7 +46,7 @@ fn run_test(case: u32) -> Result<()> {
 }
 
 fn main() {
-    env_logger::init().unwrap();
+    env_logger::init();
 
     let total = get_case_count().unwrap();
 

examples/autobahn-server.rs

@@ -29,7 +29,7 @@ fn handle_client(stream: TcpStream) -> Result<()> {
 }
 
 fn main() {
-    env_logger::init().unwrap();
+    env_logger::init();
 
     let server = TcpListener::bind("127.0.0.1:9001").unwrap();
 

examples/client.rs

@@ -6,7 +6,7 @@ use url::Url;
 use tungstenite::{connect, Message};
 
 fn main() {
-    env_logger::init().unwrap();
+    env_logger::init();
 
     let (mut socket, response) =
         connect(Url::parse("ws://localhost:3012/socket").unwrap()).expect("Can't connect");