Merge pull request #247 from aliazizi/patch-1

Check for empty request URI, thank you @aliazizi

AltoRouter.php

@@ -204,7 +204,7 @@ class AltoRouter
             $requestUrl = substr($requestUrl, 0, $strpos);
         }
 
-        $lastRequestUrlChar = $requestUrl[strlen($requestUrl)-1];
+        $lastRequestUrlChar = $requestUrl ? $requestUrl[strlen($requestUrl)-1] : '';
 
         // set Request Method if it isn't passed as a parameter
         if ($requestMethod === null) {

README.md

@@ -1,4 +1,4 @@
-# AltoRouter [![Build Status](https://api.travis-ci.org/dannyvankooten/AltoRouter.png)](http://travis-ci.org/dannyvankooten/AltoRouter) [![Latest Stable Version](https://poser.pugx.org/altorouter/altorouter/v/stable.svg)](https://packagist.org/packages/altorouter/altorouter) [![License](https://poser.pugx.org/altorouter/altorouter/license.svg)](https://packagist.org/packages/altorouter/altorouter) [![Code Climate](https://codeclimate.com/github/dannyvankooten/AltoRouter/badges/gpa.svg)](https://codeclimate.com/github/dannyvankooten/AltoRouter) [![Test Coverage](https://codeclimate.com/github/dannyvankooten/AltoRouter/badges/coverage.svg)](https://codeclimate.com/github/dannyvankooten/AltoRouter)
+# AltoRouter  [![Build Status](https://img.shields.io/travis/dannyvankooten/AltoRouter/master)](https://travis-ci.org/dannyvankooten/AltoRouter) [![Latest Stable Version](https://poser.pugx.org/altorouter/altorouter/v/stable.svg)](https://packagist.org/packages/altorouter/altorouter) [![License](https://poser.pugx.org/altorouter/altorouter/license.svg)](https://packagist.org/packages/altorouter/altorouter) [![Code Climate](https://codeclimate.com/github/dannyvankooten/AltoRouter/badges/gpa.svg)](https://codeclimate.com/github/dannyvankooten/AltoRouter) [![Test Coverage](https://codeclimate.com/github/dannyvankooten/AltoRouter/badges/coverage.svg)](https://codeclimate.com/github/dannyvankooten/AltoRouter)
 AltoRouter is a small but powerful routing class, heavily inspired by [klein.php](https://github.com/chriso/klein.php/).
 
 ```php