diff --git a/db/connection.php b/db/connection.php
index 19af362..0f9df91 100755
--- a/db/connection.php
+++ b/db/connection.php
@@ -397,4 +397,3 @@ class Connection
 	}
 }
 
-?>
diff --git a/db/exception.php b/db/exception.php
index 89397c8..ca8bedd 100644
--- a/db/exception.php
+++ b/db/exception.php
@@ -17,4 +17,3 @@ class Exception extends \Exception
 	}
 }
 
-?>
diff --git a/configure.php b/environ.php
similarity index 98%
rename from configure.php
rename to environ.php
index 4a9cf7d..067e1e7 100644
--- a/configure.php
+++ b/environ.php
@@ -6,4 +6,3 @@ $vnAutoloadMap = [];
 $vnAutoloadMap['vn/lib'] = __DIR__.'/lib';
 $vnAutoloadMap['vn/db'] = __DIR__.'/db';
 
-?>
diff --git a/lib/app.php b/lib/app.php
index 2065766..0847a9e 100644
--- a/lib/app.php
+++ b/lib/app.php
@@ -7,8 +7,8 @@ require_once __DIR__.'/util.php';
 use Vn\Db\Connection;
 use Vn\Lib\Locale;
 
-if (!defined ('_DEBUG_MODE'))
-	define ('_DEBUG_MODE', FALSE);
+if (!defined ('_DEV_MODE'))
+	define ('_DEV_MODE', FALSE);
 if (!defined ('_CONFIG_DIR'))
 	define ('_CONFIG_DIR', '/etc');
 if (!defined ('_LOG_DIR'))
@@ -54,7 +54,7 @@ class App
 	function init ()
 	{
 		ini_set ('log_errors', TRUE);
-		ini_set ('error_log', _LOG_DIR .'/'. $this->name .'.log');
+		//ini_set ('error_log', _LOG_DIR .'/'. $this->name .'.log');
 
 		register_shutdown_function ([$this, 'deinit']);
 
@@ -179,4 +179,3 @@ class App
 	}
 }
 
-?>
diff --git a/lib/cli-app.php b/lib/cli-app.php
index 057cda6..1577252 100755
--- a/lib/cli-app.php
+++ b/lib/cli-app.php
@@ -39,4 +39,3 @@ class CliApp extends App
 	}
 }
 
-?>
diff --git a/lib/exception.php b/lib/exception.php
index cae858c..0ea6467 100755
--- a/lib/exception.php
+++ b/lib/exception.php
@@ -19,4 +19,3 @@ class Exception extends \Exception
 	}
 }
 
-?>
diff --git a/lib/locale.php b/lib/locale.php
index 47bdd7d..f8fe5df 100755
--- a/lib/locale.php
+++ b/lib/locale.php
@@ -109,4 +109,3 @@ namespace Vn\Lib
 	}
 }
 
-?>
diff --git a/lib/log.php b/lib/log.php
index ca7b59d..a4181cd 100644
--- a/lib/log.php
+++ b/lib/log.php
@@ -72,4 +72,3 @@ class Log
 	}
 }
 
-?>
diff --git a/lib/method.php b/lib/method.php
index 1e9a5b1..951d9b7 100644
--- a/lib/method.php
+++ b/lib/method.php
@@ -62,4 +62,3 @@ abstract class Method
 	}
 }
 
-?>
diff --git a/lib/type.php b/lib/type.php
index 65e3d03..821589a 100755
--- a/lib/type.php
+++ b/lib/type.php
@@ -66,4 +66,3 @@ class Type
 	}
 }
 
-?>
diff --git a/lib/user-exception.php b/lib/user-exception.php
index 8e884c7..0c4dfac 100755
--- a/lib/user-exception.php
+++ b/lib/user-exception.php
@@ -12,4 +12,3 @@ namespace Vn\Lib;
  **/
 class UserException extends Exception {}
 
-?>
diff --git a/lib/util.php b/lib/util.php
index 803b614..daf71c7 100755
--- a/lib/util.php
+++ b/lib/util.php
@@ -47,4 +47,3 @@ function hyphenToCamelCase ($string, $upperFirst = FALSE)
 	return $result;
 }
 
-?>
diff --git a/vn-autoload.php b/vn-autoload.php
index bfe4bb4..cfc696a 100644
--- a/vn-autoload.php
+++ b/vn-autoload.php
@@ -38,4 +38,3 @@ spl_autoload_register (function ($className)
 		require_once $classPath;
 });
 
-?>