Fixed most of the docblocks/unused namespaces

Author: dlsniper

Encoder/JsonDecode.php

@@ -44,6 +44,7 @@ public function getLastError()
      * Decodes a JSON string into PHP data
      *
      * @param string $data JSON
+     * @param string $format
      *
      * @return mixed
      */

Encoder/JsonEncode.php

@@ -41,7 +41,8 @@ public function getLastError()
     /**
      * Encodes PHP data to a JSON string
      *
-     * @param mixed $data
+     * @param mixed  $data
+     * @param string $format
      *
      * @return string
      */

Encoder/XmlEncoder.php

@@ -271,6 +271,8 @@ private function parseXml($node)
      * @param array|object $data       data
      *
      * @return Boolean
+     *
+     * @throws UnexpectedValueException
      */
     private function buildXml($parentNode, $data)
     {

Serializer.php

@@ -222,6 +222,9 @@ final public function decode($data, $format)
      * @param string $format format name, present to give the option to normalizers to act differently based on formats
      *
      * @return array|scalar
+     *
+     * @throws LogicException
+     * @throws UnexpectedValueException
      */
     private function normalizeObject($object, $format = null)
     {
@@ -253,6 +256,9 @@ private function normalizeObject($object, $format = null)
      * @param string $format format name, present to give the option to normalizers to act differently based on formats
      *
      * @return object
+     *
+     * @throws LogicException
+     * @throws UnexpectedValueException
      */
     private function denormalizeObject($data, $class, $format = null)
     {