diff --git a/PDO/DataObject/Exception.php b/PDO/DataObject/Exception.php
index 2cacf285..c388544c 100755
--- a/PDO/DataObject/Exception.php
+++ b/PDO/DataObject/Exception.php
@@ -22,7 +22,15 @@
  * @link       http://pear.php.net/package/PDO_DataObject
  */
   
- 
+
+class_exists('PDO_DataObject_Exception_InvalidArgs') ? '' : require_once 'PDO/DataObject/Exception/InvalidArgs.php';
+class_exists('PDO_DataObject_Exception_NoData') ? '' : require_once 'PDO/DataObject/Exception/NoData.php';
+class_exists('PDO_DataObject_Exception_InvalidConfig') ? '' : require_once 'PDO/DataObject/Exception/InvalidConfig.php';
+class_exists('PDO_DataObject_Exception_NoClass') ? '' : require_once 'PDO/DataObject/Exception/NoClass.php';
+class_exists('PDO_DataObject_Exception_Set') ? '' : require_once 'PDO/DataObject/Exception/Set.php';
+class_exists('PDO_DataObject_Exception_Connect') ? '' : require_once 'PDO/DataObject/Exception/Connect.php';
+class_exists('PDO_DataObject_Exception_Query') ? '' : require_once 'PDO/DataObject/Exception/Query.php';
+
 class PDO_DataObject_Exception extends Exception
 {
     
@@ -49,13 +57,3 @@ static function factory($message, $type, $previous_exception)
      
 }
 
-// child classes - so you can catch them..
-class PDO_DataObject_Exception_InvalidArgs extends   PDO_DataObject_Exception {};
-class PDO_DataObject_Exception_NoData extends   PDO_DataObject_Exception {};
-class PDO_DataObject_Exception_InvalidConfig extends   PDO_DataObject_Exception {};
-class PDO_DataObject_Exception_NoClass extends   PDO_DataObject_Exception {};
-class PDO_DataObject_Exception_Set extends   PDO_DataObject_Exception {};
-class PDO_DataObject_Exception_Connect extends   PDO_DataObject_Exception {};
-class PDO_DataObject_Exception_Query extends   PDO_DataObject_Exception {};
-
-
diff --git a/PDO/DataObject/Exception/Connect.php b/PDO/DataObject/Exception/Connect.php
new file mode 100644
index 00000000..bfb3d0c0
--- /dev/null
+++ b/PDO/DataObject/Exception/Connect.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * PDO_DataObject_Exception_Connect
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: This source file is subject to version 3.01 of the PHP license
+ * that is available through the world-wide-web at the following URI:
+ * http://www.php.net/license/3_01.txt.  If you did not receive a copy of
+ * the PHP License and are unable to obtain it through the web, please
+ * send a note to license@php.net so we can mail you a copy immediately.
+ *
+ * @category   Database
+ * @package    PDO_DataObject
+ * @author     Alan Knowles <alan@akbkhome.com>
+ * @copyright  1997-2006 The PHP Group
+ * @license    http://www.php.net/license/3_01.txt  PHP License 3.01
+ * @version    CVS: $Id: Error.php 339237 2016-05-26 03:59:27Z alan_k $
+ * @link       http://pear.php.net/package/PDO_DataObject
+ */
+
+ class_exists('PDO_DataObject_Exception') ? '' : require_once 'PDO/DataObject/Exception.php';
+
+class PDO_DataObject_Exception_Connect extends PDO_DataObject_Exception {}
+
diff --git a/PDO/DataObject/Exception/InvalidArgs.php b/PDO/DataObject/Exception/InvalidArgs.php
new file mode 100644
index 00000000..93308096
--- /dev/null
+++ b/PDO/DataObject/Exception/InvalidArgs.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * PDO_DataObject_Exception_InvalidArgs
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: This source file is subject to version 3.01 of the PHP license
+ * that is available through the world-wide-web at the following URI:
+ * http://www.php.net/license/3_01.txt.  If you did not receive a copy of
+ * the PHP License and are unable to obtain it through the web, please
+ * send a note to license@php.net so we can mail you a copy immediately.
+ *
+ * @category   Database
+ * @package    PDO_DataObject
+ * @author     Alan Knowles <alan@akbkhome.com>
+ * @copyright  1997-2006 The PHP Group
+ * @license    http://www.php.net/license/3_01.txt  PHP License 3.01
+ * @version    CVS: $Id: Error.php 339237 2016-05-26 03:59:27Z alan_k $
+ * @link       http://pear.php.net/package/PDO_DataObject
+ */
+
+require_once 'PDO/DataObject/Exception.php';
+
+class PDO_DataObject_Exception_InvalidArgs extends PDO_DataObject_Exception {}
+
diff --git a/PDO/DataObject/Exception/InvalidConfig.php b/PDO/DataObject/Exception/InvalidConfig.php
new file mode 100644
index 00000000..9ddf5701
--- /dev/null
+++ b/PDO/DataObject/Exception/InvalidConfig.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * PDO_DataObject_Exception_InvalidConfig
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: This source file is subject to version 3.01 of the PHP license
+ * that is available through the world-wide-web at the following URI:
+ * http://www.php.net/license/3_01.txt.  If you did not receive a copy of
+ * the PHP License and are unable to obtain it through the web, please
+ * send a note to license@php.net so we can mail you a copy immediately.
+ *
+ * @category   Database
+ * @package    PDO_DataObject
+ * @author     Alan Knowles <alan@akbkhome.com>
+ * @copyright  1997-2006 The PHP Group
+ * @license    http://www.php.net/license/3_01.txt  PHP License 3.01
+ * @version    CVS: $Id: Error.php 339237 2016-05-26 03:59:27Z alan_k $
+ * @link       http://pear.php.net/package/PDO_DataObject
+ */
+
+require_once 'PDO/DataObject/Exception.php';
+
+class PDO_DataObject_Exception_InvalidConfig extends PDO_DataObject_Exception {}
+
diff --git a/PDO/DataObject/Exception/NoClass.php b/PDO/DataObject/Exception/NoClass.php
new file mode 100644
index 00000000..783ad0b2
--- /dev/null
+++ b/PDO/DataObject/Exception/NoClass.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * PDO_DataObject_Exception_NoClass
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: This source file is subject to version 3.01 of the PHP license
+ * that is available through the world-wide-web at the following URI:
+ * http://www.php.net/license/3_01.txt.  If you did not receive a copy of
+ * the PHP License and are unable to obtain it through the web, please
+ * send a note to license@php.net so we can mail you a copy immediately.
+ *
+ * @category   Database
+ * @package    PDO_DataObject
+ * @author     Alan Knowles <alan@akbkhome.com>
+ * @copyright  1997-2006 The PHP Group
+ * @license    http://www.php.net/license/3_01.txt  PHP License 3.01
+ * @version    CVS: $Id: Error.php 339237 2016-05-26 03:59:27Z alan_k $
+ * @link       http://pear.php.net/package/PDO_DataObject
+ */
+
+require_once 'PDO/DataObject/Exception.php';
+
+class PDO_DataObject_Exception_NoClass extends PDO_DataObject_Exception {}
+
diff --git a/PDO/DataObject/Exception/NoData.php b/PDO/DataObject/Exception/NoData.php
new file mode 100644
index 00000000..df2624be
--- /dev/null
+++ b/PDO/DataObject/Exception/NoData.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * PDO_DataObject_Exception_NoData
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: This source file is subject to version 3.01 of the PHP license
+ * that is available through the world-wide-web at the following URI:
+ * http://www.php.net/license/3_01.txt.  If you did not receive a copy of
+ * the PHP License and are unable to obtain it through the web, please
+ * send a note to license@php.net so we can mail you a copy immediately.
+ *
+ * @category   Database
+ * @package    PDO_DataObject
+ * @author     Alan Knowles <alan@akbkhome.com>
+ * @copyright  1997-2006 The PHP Group
+ * @license    http://www.php.net/license/3_01.txt  PHP License 3.01
+ * @version    CVS: $Id: Error.php 339237 2016-05-26 03:59:27Z alan_k $
+ * @link       http://pear.php.net/package/PDO_DataObject
+ */
+
+require_once dirname(__FILE__) . '/../Exception.php';
+
+class PDO_DataObject_Exception_NoData extends PDO_DataObject_Exception {}
+
diff --git a/PDO/DataObject/Exception/Query.php b/PDO/DataObject/Exception/Query.php
new file mode 100644
index 00000000..9f22ee53
--- /dev/null
+++ b/PDO/DataObject/Exception/Query.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * PDO_DataObject_Exception_Query
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: This source file is subject to version 3.01 of the PHP license
+ * that is available through the world-wide-web at the following URI:
+ * http://www.php.net/license/3_01.txt.  If you did not receive a copy of
+ * the PHP License and are unable to obtain it through the web, please
+ * send a note to license@php.net so we can mail you a copy immediately.
+ *
+ * @category   Database
+ * @package    PDO_DataObject
+ * @author     Alan Knowles <alan@akbkhome.com>
+ * @copyright  1997-2006 The PHP Group
+ * @license    http://www.php.net/license/3_01.txt  PHP License 3.01
+ * @version    CVS: $Id: Error.php 339237 2016-05-26 03:59:27Z alan_k $
+ * @link       http://pear.php.net/package/PDO_DataObject
+ */
+
+require_once 'PDO/DataObject/Exception.php';
+
+class PDO_DataObject_Exception_Query extends PDO_DataObject_Exception {}
+
diff --git a/PDO/DataObject/Exception/Set.php b/PDO/DataObject/Exception/Set.php
new file mode 100644
index 00000000..416451c0
--- /dev/null
+++ b/PDO/DataObject/Exception/Set.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * PDO_DataObject_Exception_Set
+ *
+ * PHP versions 4 and 5
+ *
+ * LICENSE: This source file is subject to version 3.01 of the PHP license
+ * that is available through the world-wide-web at the following URI:
+ * http://www.php.net/license/3_01.txt.  If you did not receive a copy of
+ * the PHP License and are unable to obtain it through the web, please
+ * send a note to license@php.net so we can mail you a copy immediately.
+ *
+ * @category   Database
+ * @package    PDO_DataObject
+ * @author     Alan Knowles <alan@akbkhome.com>
+ * @copyright  1997-2006 The PHP Group
+ * @license    http://www.php.net/license/3_01.txt  PHP License 3.01
+ * @version    CVS: $Id: Error.php 339237 2016-05-26 03:59:27Z alan_k $
+ * @link       http://pear.php.net/package/PDO_DataObject
+ */
+
+class_exists('PDO_DataObject_Exception') ? '' : require_once 'PDO/DataObject/Exception.php';
+
+class PDO_DataObject_Exception_Set extends PDO_DataObject_Exception {}
+