Merge pull request #4 from Bartheyrman22/patch-1

Added 'DIRECTORY_SEPARATOR ' To support multiple platforms.

Author: DaanDeSmedt

src/HeadlessChrome.php

@@ -240,7 +240,7 @@ public function toPDF($PDFFilename = null){
             $PDFFilename .= '.pdf';
         }
 
-        $location = $this->getOutputDirectory() . '\\' . $PDFFilename;
+        $location = $this->getOutputDirectory() . DIRECTORY_SEPARATOR . $PDFFilename;
         $this->filePath = $location;
 
         $specific_arguments = [
@@ -272,7 +272,7 @@ public function toScreenShot($imageFilename = null) {
             $imageFilename .= '.jpg';
         }
 
-        $location = $this->getOutputDirectory() . '\\' . $imageFilename;
+        $location = $this->getOutputDirectory() . DIRECTORY_SEPARATOR . $imageFilename;
         $this->filePath = $location;
 
         $specific_arguments = [
@@ -347,4 +347,4 @@ public function getFilePath(){
         return $this->filePath;
     }
 
-}
+}