Adding fixes

Author: hadesbox

P00_CodeSamples/helloWorld_1.js

@@ -1,3 +1,3 @@
 // Testing call the console.log function with module colors
 require('colors');
-console.log('Hello World'.rainbow);
+console.log('Hello World'.rainbow);

P00_CodeSamples/helloWorld_2.js

@@ -11,7 +11,7 @@ var server = http.createServer(function(request, response) {
 });
 
 // Listen on port 8000, IP defaults to 127.0.0.1
-server.listen(process.env.IP);
+server.listen(process.env.PORT);
 
 // Put a friendly message on the terminal
 console.log("Server running at " + process.env.IP + ':' + process.env.PORT);

P00_CodeSamples/helloWorld_3.js

@@ -5,4 +5,4 @@ var server = net.createServer(function(socket) {
 	socket.pipe(socket);
 });
 
-server.listen(1337, '127.0.0.1');
+server.listen(process.env.PORT);