Improve App and Route return, fixed File

- Fixed File::isBinary method
- Improved show Route return in App::exec

Author: brcontainer

src/Experimental/File.php

@@ -65,7 +65,7 @@ public static function isBinary($path)
         }
 
         $finfo  = finfo_open(FILEINFO_MIME_ENCODING);
-        $encode = finfo_buffer($finfo, file_get_contents($path, false, null, -1, 5012));
+        $encode = finfo_buffer($finfo, file_get_contents($path, false, null, 0, 5012));
         finfo_close($finfo);
 
         return strcasecmp($encode, 'binary') === 0;

src/Inphinit/App.php

@@ -224,7 +224,7 @@ public static function exec()
 
         self::trigger('ready');
 
-        if ($output) {
+        if ($output || is_numeric($output)) {
             echo $output;
         }