resolves #131 create output directory immediately (#167)

* resolves #131 create output directory immediately

Signed-off-by: tech4GT <varun.gupta1798@gmail.com>

* fix error if no steps are passed

Signed-off-by: tech4GT <varun.gupta1798@gmail.com>

* add exit message if steps not passed

Signed-off-by: tech4GT <varun.gupta1798@gmail.com>

* add test for creating output directory

src/CliUtils.js

@@ -0,0 +1,21 @@
+const fs = require('fs')
+
+
+
+/* 
+* This function checks if the directory exists, if not it creates one on the given path
+* Callback is called with argument error if an error is encountered
+*/
+function makedir(path,callback){
+    fs.access(path,function(err){
+        if(err) fs.mkdir(path,function(err){
+            if(err) callback(err);
+            callback();
+        });
+        else callback()
+    });
+};
+
+module.exports = exports = {
+    makedir: makedir
+}