fix bug when description is add after command with options (#662)

index.js

@@ -155,6 +155,10 @@ Command.prototype.__proto__ = EventEmitter.prototype;
  */
 
 Command.prototype.command = function(name, desc, opts) {
+  if(typeof desc === 'object' && desc !== null){
+    opts = desc;
+    desc = null;
+  }
   opts = opts || {};
   var args = name.split(/ +/);
   var cmd = new Command(args.shift());
@@ -165,7 +169,6 @@ Command.prototype.command = function(name, desc, opts) {
     this._execs[cmd._name] = true;
     if (opts.isDefault) this.defaultExecutable = cmd._name;
   }
-
   cmd._noHelp = !!opts.noHelp;
   this.commands.push(cmd);
   cmd.parseExpectedArgs(args);

test/test.command.nohelp.js

@@ -17,19 +17,25 @@ program
 	.command('hideagain [options]', null, { noHelp: true })
   .action(function() { return; });
 
+program.command('hiddencommandwithoutdescription [options]', { noHelp: true });
+
 program.parse(['node', 'test']);
 
-program.name.should.be.a.Function;
+program.name.should.be.a.Function();
 program.name().should.equal('test');
 program.commands[0].name().should.equal('mycommand');
 program.commands[0]._noHelp.should.be.false();
 program.commands[1].name().should.equal('anothercommand');
 program.commands[1]._noHelp.should.be.false();
 program.commands[2].name().should.equal('hiddencommand');
-program.commands[2]._noHelp.should.be.true;
+program.commands[2]._noHelp.should.be.true();
 program.commands[3].name().should.equal('hideagain');
 program.commands[3]._noHelp.should.be.true();
-program.commands[4].name().should.equal('help');
+program.commands[4].name().should.equal('hiddencommandwithoutdescription');
+program.commands[4]._noHelp.should.be.true();
+program.commands[5].name().should.equal('help');
+
+
 
 sinon.restore();
 sinon.stub(process.stdout, 'write');