diff --git a/Naming/DefaultNamer.php b/Naming/DefaultNamer.php
index 865c419..c5e2956 100644
--- a/Naming/DefaultNamer.php
+++ b/Naming/DefaultNamer.php
@@ -17,39 +17,29 @@ class DefaultNamer
      */
     public function translitRename(PropertyMapping $propertyMapping, $name)
     {
-
-
-
-
         if (function_exists('transliterator_transliterate')) {
-            $name = transliterator_transliterate("Any-Latin; Latin-ASCII; [\u0100-\u7fff] remove" , $name);
+            $name = transliterator_transliterate("Any-Latin; Latin-ASCII; [\u0100-\u7fff] remove", $name);
             $name = preg_replace('/[^\\pL\d.]+/u', '-', $name);
             $name = preg_replace('/[-\s]+/', '-', $name);
+            $name = preg_replace('/[\(\)\[\]]+/', '', $name);
         } else {
-
-
             $iso = array(
-                "Є" => "YE", "І" => "I", "Ѓ" => "G", "і" => "i", "№" => "N", "є" => "ye", "ѓ" => "g",
-                "А" => "A", "Б" => "B", "В" => "V", "Г" => "G", "Д" => "D",
-                "Е" => "E", "Ё" => "e", "Ж" => "z",
-                "З" => "Z", "И" => "I", "Й" => "J", "К" => "K", "Л" => "L",
-                "М" => "M", "Н" => "N", "О" => "O", "П" => "P", "Р" => "R",
-                "С" => "S", "Т" => "T", "У" => "U", "Ф" => "F", "Х" => "H",
-                "Ц" => "C", "Ч" => "C", "Ш" => "S", "Щ" => "s", "Ъ" => "",
-                "Ы" => "Y", "Ь" => "", "Э" => "E", "Ю" => "U", "Я" => "a",
-                "а" => "a", "б" => "b", "в" => "v", "г" => "g", "д" => "d",
-                "е" => "e", "ё" => "e", "ж" => "z",
-                "з" => "z", "и" => "i", "й" => "j", "к" => "k", "л" => "l",
-                "м" => "m", "н" => "n", "о" => "o", "п" => "p", "р" => "r",
-                "с" => "s", "т" => "t", "у" => "u", "ф" => "f", "х" => "h",
-                "ц" => "c", "ч" => "c", "ш" => "s", "щ" => "s", "ъ" => "",
-                "ы" => "y", "ь" => "", "э" => "e", "ю" => "u", "я" => "a", "«" => "", "»" => "", "—" => "-"
+                "Є" => "YE", "І" => "I", "Ѓ" => "G", "і" => "i", "№" => "N", "є" => "ye", "ѓ" => "g", "А" => "A",
+                "Б" => "B", "В" => "V", "Г" => "G", "Д" => "D", "Е" => "E", "Ё" => "e", "Ж" => "z", "З" => "Z",
+                "И" => "I", "Й" => "J", "К" => "K", "Л" => "L", "М" => "M", "Н" => "N", "О" => "O", "П" => "P",
+                "Р" => "R", "С" => "S", "Т" => "T", "У" => "U", "Ф" => "F", "Х" => "H", "Ц" => "C", "Ч" => "C",
+                "Ш" => "S", "Щ" => "s", "Ъ" => "", "Ы" => "Y", "Ь" => "", "Э" => "E", "Ю" => "U", "Я" => "a",
+                "а" => "a", "б" => "b", "в" => "v", "г" => "g", "д" => "d", "е" => "e", "ё" => "e", "ж" => "z",
+                "з" => "z", "и" => "i", "й" => "j", "к" => "k", "л" => "l", "м" => "m", "н" => "n", "о" => "o",
+                "п" => "p", "р" => "r", "с" => "s", "т" => "t", "у" => "u", "ф" => "f", "х" => "h", "ц" => "c",
+                "ч" => "c", "ш" => "s", "щ" => "s", "ъ" => "", "ы" => "y", "ь" => "", "э" => "e", "ю" => "u",
+                "я" => "a", "«" => "", "»" => "", "—" => "-",
             );
             $name = strtr($name, $iso);
 
-
             $name = preg_replace('/[^\\pL\d.]+/u', '-', $name);
             $name = preg_replace('/[-\s]+/', '-', $name);
+            $name = preg_replace('/[\(\)\[\]]+/', '', $name);
 
             // transliterate
             if (function_exists('iconv')) {
@@ -57,16 +47,11 @@ public function translitRename(PropertyMapping $propertyMapping, $name)
             }
 
             $name = preg_replace("/[^0-9A-Za-z-_ .]/", "", $name);
-
-
-
         }
 
         $name = trim($name, '-');
         $name = strtolower($name);
 
-
-
         return $name;
     }
 
@@ -80,7 +65,9 @@ public function translitRename(PropertyMapping $propertyMapping, $name)
     public function propertyRename(PropertyMapping $propertyMapping, $name, $params)
     {
         $fieldValue = $this->getFieldValueByParam($propertyMapping, $params);
-        if ($fieldValue) $name = $fieldValue . substr($name, strrpos($name, '.'));
+        if ($fieldValue) {
+            $name = $fieldValue . substr($name, strrpos($name, '.'));
+        }
         return $name;
     }
 
@@ -88,7 +75,6 @@ protected function getFieldValueByParam(PropertyMapping $propertyMapping, $param
     {
         $obj = $propertyMapping->getObj();
 
-        $fieldValue = '';
         if (isset($params['use_field_name']) && $params['use_field_name']) {
             $fieldValue = $propertyMapping->getFileDataPropertyName();
         } else {
@@ -96,7 +82,13 @@ protected function getFieldValueByParam(PropertyMapping $propertyMapping, $param
             $fieldValue = $obj->{'get' . ucfirst($field)}();
         }
 
-        if (!$fieldValue) $fieldValue = $obj->getId();
+        if ($fieldValue instanceof \DateTime) {
+            $fieldValue = $fieldValue->format('Y_m_d_H_i_s');
+        }
+
+        if (!$fieldValue) {
+            $fieldValue = $obj->getId();
+        }
         return $fieldValue;
     }
 
@@ -133,7 +125,9 @@ public function replaceRename(PropertyMapping $propertyMapping, $name, $params)
     public function resolveCollision($name, $attempt = 1)
     {
         $addition = $attempt;
-        if ($attempt > 10) $addition = date('Y_m_d_H_i_s');
+        if ($attempt > 10) {
+            $addition = date('Y_m_d_H_i_s');
+        }
 
         $ppos = strrpos($name, '.');