[COMPOSER] Added predis/predis and updated packages

vendor/php-http/discovery/src/Exception/DiscoveryFailedException.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Http\Discovery\Exception;
+
+use Http\Discovery\Exception;
+
+/**
+ * Thrown when all discovery strategies fails to find a resource.
+ *
+ * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ */
+final class DiscoveryFailedException extends \Exception implements Exception
+{
+    /**
+     * @var \Exception[]
+     */
+    private $exceptions;
+
+    /**
+     * @param string       $message
+     * @param \Exception[] $exceptions
+     */
+    public function __construct($message, array $exceptions = [])
+    {
+        $this->exceptions = $exceptions;
+
+        parent::__construct($message);
+    }
+
+    /**
+     * @param \Exception[] $exceptions
+     */
+    public static function create($exceptions)
+    {
+        $message = 'Could not find resource using any discovery strategy. Find more information at http://docs.php-http.org/en/latest/discovery.html#common-errors';
+        foreach ($exceptions as $e) {
+            $message .= "\n - ".$e->getMessage();
+        }
+        $message .= "\n\n";
+
+        return new self($message, $exceptions);
+    }
+
+    /**
+     * @return \Exception[]
+     */
+    public function getExceptions()
+    {
+        return $this->exceptions;
+    }
+}