Print usage message to stdout.

README.md

@@ -6,11 +6,12 @@ Option parser with custom derive support
 
 ## Building
 
-To include `gumdrop` in your project, add the following to your `Cargo.toml`:
+To this fork, include `gumdrop` in your project, add the following to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-gumdrop = "0.8"
+# gumdrop = "0.8"
+gumdrop = { git = "http://github.com/mousefad/rust-gumdrop.git" }
 ```
 
 ## License

src/lib.rs

@@ -304,14 +304,14 @@ pub trait Options {
                 }
             }
 
-            eprintln!("Usage: {}{} [OPTIONS]", args[0], command_str);
-            eprintln!();
-            eprintln!("{}", command.self_usage());
+            println!("Usage: {}{} [OPTIONS]", args[0], command_str);
+            println!();
+            println!("{}", command.self_usage());
 
             if let Some(cmds) = command.self_command_list() {
-                eprintln!();
-                eprintln!("Available commands:");
-                eprintln!("{}", cmds);
+                println!();
+                println!("Available commands:");
+                println!("{}", cmds);
             }
 
             exit(0);