[COMPOSER] Added predis/predis and updated packages

vendor/php-http/httplug/src/Exception/NetworkException.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Http\Client\Exception;
+
+/**
+ * Thrown when the request cannot be completed because of network issues.
+ *
+ * There is no response object as this exception is thrown when no response has been received.
+ *
+ * @author Márk Sági-Kazár <mark.sagikazar@gmail.com>
+ */
+class NetworkException extends RequestException
+{
+}