Add readme, yargs instead of optimist

README.md

@@ -0,0 +1,28 @@
+# dazeus-nodejs-util
+Utility functions for dazeus bindings.
+
+## Helper functions
+Some helper functions are provided, please take a look at the source for detailed documentation of
+these:
+
+    dazeus.optionsFromArgv(argv)
+
+    dazeus.yargs()
+
+    dazeus.help(argv)
+
+    dazeus.readFile(file)
+
+    dazeus.writeFile(file, data)
+
+    dazeus.existsIn(file, str)
+
+    dazeus.randomFrom(file)
+
+    dazeus.removeFrom(file, str)
+
+    dazeus.appendTo(file, str)
+
+    dazeus.firstArgument(args)
+
+    dazeus.isCommand(command, args, yes[, no])

dazeus-util.js

@@ -80,7 +80,7 @@ module.exports.yargs = function () {
  */
 module.exports.help = function (argv) {
     if (argv.help) {
-        optimist.showHelp();
+        yargs.showHelp();
         process.exit();
     }
 };