diff --git a/class/VString.php b/class/VString.php
index 8f2b8ae..11e7541 100644
--- a/class/VString.php
+++ b/class/VString.php
@@ -1,173 +1,173 @@
-<?php
-namespace Wepesi\app;
-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
-
-/**
- * Description of String
- *
- * @author Ibrahim
- */
-class VString {
-    private $string_value;
-    private $string_item;
-    private $source_data;
-    private $_errors;
-    private $_min;
-    private $_max;
-    /**
-     * 
-     * @param array $source
-     * @param string $string_item
-     * @param string $stringValue
-     */
-    function __construct(array $source,string $string_item=null) {
-        $this->string_item=$string_item;
-        $this->source_data=$source;
-        $this->_max= $this->_min=0;
-        $this->check_key=$this->checkExist();
-        if($this->check_key){
-            $this->string_value=$source[$string_item];
-        };
-    }
-    /**
-     * 
-     * @param int $rule_values
-     * @return $this
-     */
-    function min(int $rule_values=0){
-        $min=is_integer($rule_values)? ((int)$rule_values>0?(int)$rule_values:0):0;
-        if (strlen($this->string_value) < $min) {
-            $message=[
-                "type"=>"string.min",
-                "message"=> "`{$this->string_item}` should have minimum of `{$min}` caracters",
-                "label"=>$this->string_item,
-                "limit"=>$min
-            ];
-            $this->addError($message);
-        }
-        return $this;
-    }
-    /**
-     * 
-     * @param int $rule_values
-     * @return $this
-     */
-    function max(int $rule_values=1){
-        $max = is_integer($rule_values) ? ((int)$rule_values > 0 ? (int)$rule_values : 0):0;
-        $this->_max=$max; 
-        if (strlen($this->string_value) > $max) {
-            $message = [
-                "type" => "string.max",
-                "message" => "`{$this->string_item}` should have maximum of `{$max}` caracters",
-                "label" => $this->string_item,
-                "limit" => $max
-            ];
-            $this->addError($message);
-        }
-        return $this;
-    }
-    /**
-     * 
-     * @return $this
-     */
-    function email(){
-        if (!filter_var($this->string_value, FILTER_VALIDATE_EMAIL)) {
-            $message = [
-                "type" => "string.email",
-                "message" => "`{$this->string_item}` this should be an email",
-                "label" => $this->string_item,
-            ];
-            $this->addError($message);
-        }
-        return $this;
-    }
-    /**
-     * 
-     * @return $this
-     */
-    function url(){
-        if (!preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i", $this->string_value)) {
-            $message = [
-                "type" => "string.url",
-                "message" => "`{$this->string_item}` this shoudl be a link(url)",
-                "label" => $this->string_item,
-            ];
-            $this->addError($message);
-        }
-        return $this;
-    }
-    /**
-     * 
-     * @param string $key_tomatch
-     * @return $this
-     */
-    function match(string $key_tomatch){
-        $this->checkExist($key_tomatch);
-        if (isset($this->source_data[$key_tomatch]) && (strlen($this->string_value)!= strlen($this->source_data[$key_tomatch])) && ($this->string_value!=$this->source_data[$key_tomatch])) {
-            $message = [
-                "type" => "string.match",
-                "message" => "`{$this->string_item}` should match {$key_tomatch}",
-                "label" => $this->string_item,
-            ];
-            $this->addError($message);
-        }
-        return $this;
-    }
-    function required(){
-        $required_value= trim($this->string_value);
-        if (empty($required_value)) {
-            $message = [
-                "type"=> "any.required",
-                "message" => "`{$this->string_item}` is required",
-                "label" => $this->string_item,
-            ];
-            $this->addError($message);
-        }
-        return $this;
-    }
-    /**
-     * 
-     * @param string $itemKey
-     * @return boolean
-     */
-    private function checkExist(string $itemKey=null){
-        $item_to_check=$itemKey?$itemKey:$this->string_item;
-        $regex="#[a-zA-Z0-9]#";
-        $status_keys_exist=true;
-        if (!isset($this->source_data[$item_to_check])) {
-            $message = [
-                "type"=> "any.unknow",
-                "message" => "`{$item_to_check}` is unknow",
-                "label" => $item_to_check,
-            ];
-            $this->addError($message);
-            return false;
-        }else if(!preg_match($regex,$this->source_data[$item_to_check]) || strlen(trim($this->source_data[$item_to_check]))==0){
-            $message=[
-                    "type" => "string.unknow",
-                    "message" => "`{$item_to_check}` shoud be a s tring",
-                    "label" => $item_to_check,
-                ];
-                $this->addError($message);
-                return false;
-        }
-        return $status_keys_exist;
-    }/**
-     * 
-     * @param array $value
-     * @return type
-     */
-    private function addError(array $value){
-       return $this->_errors[]=$value;
-    }/**
-     * 
-     * @return type
-     */
-    function check(){
-        return  $this->_errors;
-    }
-}
+<?php
+namespace Wepesi\app;
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+/**
+ * Description of String
+ *
+ * @author Ibrahim
+ */
+class VString {
+    private $string_value;
+    private $string_item;
+    private $source_data;
+    private $_errors;
+    private $_min;
+    private $_max;
+    /**
+     * 
+     * @param array $source
+     * @param string $string_item
+     * @param string $stringValue
+     */
+    function __construct(array $source,string $string_item=null) {
+        $this->string_item=$string_item;
+        $this->source_data=$source;
+        $this->_max= $this->_min=0;
+        $this->check_key=$this->checkExist();
+        if($this->check_key){
+            $this->string_value=$source[$string_item];
+        };
+    }
+    /**
+     * 
+     * @param int $rule_values
+     * @return $this
+     */
+    function min(int $rule_values=0){
+        $min=is_integer($rule_values)? ((int)$rule_values>0?(int)$rule_values:0):0;
+        if (strlen($this->string_value) < $min) {
+            $message=[
+                "type"=>"string.min",
+                "message"=> "`{$this->string_item}` should have minimum of `{$min}` caracters",
+                "label"=>$this->string_item,
+                "limit"=>$min
+            ];
+            $this->addError($message);
+        }
+        return $this;
+    }
+    /**
+     * 
+     * @param int $rule_values
+     * @return $this
+     */
+    function max(int $rule_values=1){
+        $max = is_integer($rule_values) ? ((int)$rule_values > 0 ? (int)$rule_values : 0):0;
+        $this->_max=$max; 
+        if (strlen($this->string_value) > $max) {
+            $message = [
+                "type" => "string.max",
+                "message" => "`{$this->string_item}` should have maximum of `{$max}` caracters",
+                "label" => $this->string_item,
+                "limit" => $max
+            ];
+            $this->addError($message);
+        }
+        return $this;
+    }
+    /**
+     * 
+     * @return $this
+     */
+    function email(){
+        if (!filter_var($this->string_value, FILTER_VALIDATE_EMAIL)) {
+            $message = [
+                "type" => "string.email",
+                "message" => "`{$this->string_item}` this should be an email",
+                "label" => $this->string_item,
+            ];
+            $this->addError($message);
+        }
+        return $this;
+    }
+    /**
+     * 
+     * @return $this
+     */
+    function url(){
+        if (!preg_match("/\b(?:(?:https?|ftp):\/\/|www\.)[-a-z0-9+&@#\/%?=~_|!:,.;]*[-a-z0-9+&@#\/%=~_|]/i", $this->string_value)) {
+            $message = [
+                "type" => "string.url",
+                "message" => "`{$this->string_item}` this shoudl be a link(url)",
+                "label" => $this->string_item,
+            ];
+            $this->addError($message);
+        }
+        return $this;
+    }
+    /**
+     * 
+     * @param string $key_tomatch
+     * @return $this
+     */
+    function match(string $key_tomatch){
+        $this->checkExist($key_tomatch);
+        if (isset($this->source_data[$key_tomatch]) && (strlen($this->string_value)!= strlen($this->source_data[$key_tomatch])) && ($this->string_value!=$this->source_data[$key_tomatch])) {
+            $message = [
+                "type" => "string.match",
+                "message" => "`{$this->string_item}` should match {$key_tomatch}",
+                "label" => $this->string_item,
+            ];
+            $this->addError($message);
+        }
+        return $this;
+    }
+    function required(){
+        $required_value= trim($this->string_value);
+        if (empty($required_value)) {
+            $message = [
+                "type"=> "any.required",
+                "message" => "`{$this->string_item}` is required",
+                "label" => $this->string_item,
+            ];
+            $this->addError($message);
+        }
+        return $this;
+    }
+    /**
+     * 
+     * @param string $itemKey
+     * @return boolean
+     */
+    private function checkExist(string $itemKey=null){
+        $item_to_check=$itemKey?$itemKey:$this->string_item;
+        $regex="#[a-zA-Z0-9]#";
+        $status_keys_exist=true;
+        if (!isset($this->source_data[$item_to_check])) {
+            $message = [
+                "type"=> "any.unknow",
+                "message" => "`{$item_to_check}` is unknow",
+                "label" => $item_to_check,
+            ];
+            $this->addError($message);
+            return false;
+        }else if(!preg_match($regex,$this->source_data[$item_to_check]) || strlen(trim($this->source_data[$item_to_check]))==0){
+            $message=[
+                    "type" => "string.unknow",
+                    "message" => "`{$item_to_check}` shoud be a s tring",
+                    "label" => $item_to_check,
+                ];
+                $this->addError($message);
+                return false;
+        }
+        return $status_keys_exist;
+    }/**
+     * 
+     * @param array $value
+     * @return type
+     */
+    private function addError(array $value){
+       return $this->_errors[]=$value;
+    }/**
+     * 
+     * @return type
+     */
+    function check(){
+        return  $this->_errors;
+    }
+}