From 33c00ae4beb67eb0becd759ac20eb8e946007781 Mon Sep 17 00:00:00 2001
From: Lars Moelleken <voku@voku-online.de>
Date: Fri, 23 Sep 2016 10:02:50 +0200
Subject: [PATCH] Updated Vendors

[+]: update "portable-utf8" from 2.x -> 3.x
[+]: update "anti-xss" from 1.x -> 2.x
---
 .travis.yml          | 1 +
 composer.json        | 4 ++--
 src/Methods/Misc.php | 7 ++++++-
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 5178a84..19216d5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,7 @@ language: php
 
 php:
   - "hhvm"
+  - "7.1"
   - "7.0"
   - "5.6"
   - "5.5"
diff --git a/composer.json b/composer.json
index e187933..edc0610 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
     "require":
     {
         "php": "^5.4 || ^7.0",
-        "voku/portable-utf8": "^2.0",
+        "voku/portable-utf8": "^3.0",
         "icecave/parity": "^1.0"
     },
     "require-dev":
@@ -22,7 +22,7 @@
         "couscous/couscous": "^1.5",
         "codegyre/robo": "^0.7",
         "phpunit/phpunit": "^4.8",
-        "voku/anti-xss": "^1.2",
+        "voku/anti-xss": "^2.0",
         "voku/urlify": "^2.0",
         "icanboogie/inflector": "^1.4",
         "satooshi/php-coveralls": "^1.0"
diff --git a/src/Methods/Misc.php b/src/Methods/Misc.php
index 2e489f2..43919d8 100644
--- a/src/Methods/Misc.php
+++ b/src/Methods/Misc.php
@@ -113,7 +113,7 @@ public function repeat($multiplier)
     /**
      * Returns a reversed string. A multibyte version of strrev().
      *
-     * @return Stringy Object with a reversed $str
+     * @return static Object with a reversed $str
      */
     public function reverse()
     {
@@ -211,6 +211,11 @@ public function tidy()
      */
     public function countSubstr($substring, $caseSensitive = true)
     {
+    	  if (!isset($this->scalarString[0]))
+    	  {
+    	  	return 0;
+	      }
+
         if ($caseSensitive)
         {
             return UTF8::substr_count