--- xmlTools/trunk/posUpdate/ParametersParser.cs	2013/05/08 21:52:38	861
+++ xmlTools/trunk/posUpdate/ParametersParser.cs	2013/05/25 21:53:39	874
@@ -106,7 +106,7 @@ namespace xmlTools
             List<string> filesToProcess = getFilesToProcess(globalFileName);
             foreach (string currentFile in filesToProcess)
             {
-                if (valPositions != null)
+                if (!String.IsNullOrEmpty(valPositions))
                 {
                     myTools.replaceAll(currentFile, value, valPositions);
                 }
@@ -129,7 +129,7 @@ namespace xmlTools
         {
             XmlPatch myPatch;
 
-            if (forceInFiles != "")
+            if (!String.IsNullOrEmpty(forceInFiles))
             {
                 myPatch = new XmlPatch(globalFileName, forceInFiles, globalNoBackups);
             }
@@ -141,13 +141,27 @@ namespace xmlTools
             myPatch.startPatch();
         }
 
-        [Verb]
+        [Verb(Description = "Displays current XmlTools version.")]
         public static void version()
         {
-            Console.WriteLine("xmlTools v" + Program.toolsVersion);
+            Console.WriteLine("xmlTools v" + Program.XmlToolsVersion);
             Console.WriteLine("\nWritten by s10k");
         }
 
+        [Verb(Description = "Displays extra informations about XmlTools.")]
+        public static void about()
+        {
+            version();
+            Console.WriteLine();
+            Console.WriteLine("For extra XmlTools support check it page at: http://wiki.oni2.net/XmlTools");
+            Console.WriteLine();
+            Console.WriteLine("This program uses the following free libraries: ");
+            Console.WriteLine("-CLAP: for parameter parsing. (http://adrianaisemberg.github.io/CLAP/)");
+            Console.WriteLine("-IronJS: for custom javascript code execution. (https://github.com/fholm/IronJS)");
+            Console.WriteLine();
+            Console.WriteLine("A big thanks to all the oni.bungie.org community!");
+        }
+
         [Verb]
         public static void showErrTypes()
         {
@@ -195,7 +209,7 @@ namespace xmlTools
         {
             List<String> filesToProccess = new List<String>();
 
-            if (filename == "") // No filename? Process everything xml file found.
+            if (String.IsNullOrEmpty(filename)) // No filename? Process everything xml file found.
             {
                 List<string> allXmlFiles = Util.getAllXmlFiles();
                 foreach (String file in allXmlFiles)