Update composer dependencies

vendor/paragonie/random_compat/lib/error_polyfill.php

@@ -4,8 +4,8 @@
  * for using the new PHP 7 random_* API in PHP 5 projects
  * 
  * The MIT License (MIT)
- * 
- * Copyright (c) 2015 Paragon Initiative Enterprises
+ *
+ * Copyright (c) 2015 - 2017 Paragon Initiative Enterprises
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -35,8 +35,15 @@ if (!class_exists('Error', false)) {
 }
 
 if (!class_exists('TypeError', false)) {
-    class TypeError extends Error
-    {
-        
+    if (is_subclass_of('Error', 'Exception')) {
+        class TypeError extends Error
+        {
+            
+        }
+    } else {
+        class TypeError extends Exception
+        {
+            
+        }
     }
 }