Colored help

src/tv.rs

@@ -1,11 +1,15 @@
-use clap::{Arg, App};
+#[macro_use]
+extern crate clap;
+
+use clap::{Arg, App, AppSettings};
 use tvrs::MultiScreen;
 
 fn main() {
 
-    let matches = App::new("tvrs")
-        .author("Thomas Forgione <thomas@forgione.fr>")
-        .version("0.1.0")
+    let matches = App::new(crate_name!())
+        .author(crate_authors!(" "))
+        .version(crate_version!())
+        .setting(AppSettings::ColoredHelp)
         .arg(Arg::with_name("action")
              .help("Action to do")
              .takes_value(true)