Included WebKlex PHP-IMAP Library in plugins folder to allow for future use when we convert IMAP to allow OAUTH2

plugins/php-imap/Exceptions/MessageSearchValidationException.php

@@ -0,0 +1,24 @@
+<?php
+/*
+* File:     MessageSearchValidationException.php
+* Category: Exception
+* Author:   M. Goldenbaum
+* Created:  05.03.18 23:21
+* Updated:  -
+*
+* Description:
+*  -
+*/
+
+namespace Webklex\PHPIMAP\Exceptions;
+
+use \Exception;
+
+/**
+ * Class MessageSearchValidationException
+ *
+ * @package Webklex\PHPIMAP\Exceptions
+ */
+class MessageSearchValidationException extends Exception {
+
+}