Fix some FQNs, typehints and unused code/vars

src/Whoops/Handler/XmlResponseHandler.php

@@ -62,7 +62,7 @@ class XmlResponseHandler extends Handler
 
     /**
      * @param  SimpleXMLElement  $node Node to append data to, will be modified in place
-     * @param  array|Traversable $data
+     * @param  array|\Traversable $data
      * @return SimpleXMLElement  The modified node, for chaining
      */
     private static function addDataToNode(\SimpleXMLElement $node, $data)
@@ -93,7 +93,7 @@ class XmlResponseHandler extends Handler
     /**
      * The main function for converting to an XML document.
      *
-     * @param  array|Traversable $data
+     * @param  array|\Traversable $data
      * @return string            XML
      */
     private static function toXml($data)

src/Whoops/Util/TemplateHelper.php

@@ -265,7 +265,7 @@ class TemplateHelper
      * Sets a single template variable, by its name:
      *
      * @param string $variableName
-     * @param mixd   $variableValue
+     * @param mixed  $variableValue
      */
     public function setVariable($variableName, $variableValue)
     {

tests/Whoops/Exception/FrameCollectionTest.php

@@ -49,7 +49,7 @@ class FrameCollectionTest extends TestCase
 
     /**
      * @param  array                            $frames
-     * @return Whoops\Exception\FrameCollection
+     * @return \Whoops\Exception\FrameCollection
      */
     private function getFrameCollectionInstance($frames = null)
     {

tests/Whoops/Exception/InspectorTest.php

@@ -24,7 +24,7 @@ class InspectorTest extends TestCase
 
     /**
      * @param  Exception                  $exception|null
-     * @return Whoops\Exception\Inspector
+     * @return \Whoops\Exception\Inspector
      */
     protected function getInspectorInstance($exception = null)
     {

tests/Whoops/Handler/JsonResponseHandlerTest.php

@@ -12,7 +12,7 @@ use Whoops\TestCase;
 class JsonResponseHandlerTest extends TestCase
 {
     /**
-     * @return Whoops\Handler\JsonResponseHandler
+     * @return \Whoops\Handler\JsonResponseHandler
      */
     private function getHandler()
     {

tests/Whoops/Handler/PlainTextHandlerTest.php

@@ -14,9 +14,9 @@ use Whoops\Exception\Frame;
 class PlainTextHandlerTest extends TestCase
 {
     /**
-     * @throws InvalidArgumentException        If argument is not null or a LoggerInterface
-     * @param  Psr\Log\LoggerInterface|null    $logger
-     * @return Whoops\Handler\PlainTextHandler
+     * @throws \InvalidArgumentException        If argument is not null or a LoggerInterface
+     * @param  \Psr\Log\LoggerInterface|null    $logger
+     * @return \Whoops\Handler\PlainTextHandler
      */
     private function getHandler($logger = null)
     {
@@ -63,7 +63,7 @@ class PlainTextHandlerTest extends TestCase
     /**
      * @covers Whoops\Handler\PlainTextHandler::__construct
      * @covers Whoops\Handler\PlainTextHandler::setLogger
-     * @expectedException InvalidArgumentException
+     * @expectedException \InvalidArgumentException
      */
     public function testConstructor()
     {

tests/Whoops/Handler/PrettyPageHandlerTest.php

@@ -156,7 +156,7 @@ class PrettyPageHandlerTest extends TestCase
         $expected3 = ['oh my' => 'how times have changed!'];
 
         // Test inspector parameter in data table callback
-        $table4 = function (\Whoops\Exception\Inspector $inspector) use ($expected1) {
+        $table4 = function (\Whoops\Exception\Inspector $inspector) {
             return array(
               'Exception class' => get_class($inspector->getException()),
               'Exception message' => $inspector->getExceptionMessage(),