Merge branch '3.1' into 3.2

* 3.1:
  Write an exception message in a one heading line
  [Finder] Refine phpdoc about argument for NumberComparator
  Fixed max width from ajax request url element (td)
  Fix unresolved parameters from default bundle configs in debug:config
  [github] Tweak PR template
  [Serializer] Optimize max depth checking

Author: fabpot

Comparator/NumberComparator.php

@@ -37,7 +37,7 @@ class NumberComparator extends Comparator
     /**
      * Constructor.
      *
-     * @param string $test A comparison string
+     * @param string|int $test A comparison string or an integer
      *
      * @throws \InvalidArgumentException If the test is not understood
      */

Finder.php

@@ -111,7 +111,7 @@ public function files()
      *   $finder->depth('> 1') // the Finder will start matching at level 1.
      *   $finder->depth('< 3') // the Finder will descend at most 3 levels of directories below the starting point.
      *
-     * @param int $level The depth level expression
+     * @param string|int $level The depth level expression
      *
      * @return Finder|SplFileInfo[] The current Finder instance
      *
@@ -283,7 +283,7 @@ public function notPath($pattern)
      * $finder->size('<= 1Ki');
      * $finder->size(4);
      *
-     * @param string $size A size range string
+     * @param string|int $size A size range string or an integer
      *
      * @return Finder|SplFileInfo[] The current Finder instance
      *