issue #8 - Support inline Content-Disposition and empty output filename.

phpunit.xml

@@ -1,10 +1,23 @@
 <?xml version="1.0" encoding="utf-8" ?>
-<phpunit bootstrap="./vendor/autoload.php" colors="true">
+
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.8/phpunit.xsd"
+         backupGlobals="false"
+         colors="true"
+         bootstrap="vendor/autoload.php">
+    <php>
+        <ini name="error_reporting" value="-1"/>
+    </php>
 
     <testsuites>
         <testsuite name="PhpZip test suite">
-            <directory>./tests</directory>
+            <directory>tests</directory>
         </testsuite>
     </testsuites>
 
+    <filter>
+        <whitelist>
+            <directory>src</directory>
+        </whitelist>
+    </filter>
 </phpunit>