diff --git a/Changelog.md b/Changelog.md
index 9721120..76b065b 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -10,6 +10,7 @@ The change log describes what is "Added", "Removed", "Changed" or "Fixed" betwee
 
 - Using cache/session-handler: ^0.2. **This will break all cached sessions**
 - Using cache/taggable-cache: ^0.5 to support the latest versions of the adapters. 
+- New Collector and WebProfiler page 
 
 ## 0.4.4
 
diff --git a/src/Cache/FixedTaggingCachePool.php b/src/Cache/FixedTaggingCachePool.php
index 8d3287f..423531f 100644
--- a/src/Cache/FixedTaggingCachePool.php
+++ b/src/Cache/FixedTaggingCachePool.php
@@ -14,12 +14,13 @@
 use Cache\TagInterop\TaggableCacheItemInterface;
 use Cache\TagInterop\TaggableCacheItemPoolInterface;
 use Psr\Cache\CacheItemInterface;
-use Psr\Cache\InvalidArgumentException;
 
 /**
  * This class is a decorator for a TaggableCacheItemPoolInterface. It tags everything with predefined tags.
  *
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ *
+ * @internal
  */
 class FixedTaggingCachePool implements TaggableCacheItemPoolInterface
 {
@@ -97,7 +98,7 @@ public function deleteItems(array $keys)
     public function save(CacheItemInterface $item)
     {
         if (!$item instanceof TaggableCacheItemInterface) {
-            throw new InvalidArgumentException('Cache items are not transferable between pools. Item MUST implement TaggableCacheItemInterface.');
+            throw new \InvalidArgumentException('Cache items are not transferable between pools. Item MUST implement TaggableCacheItemInterface.');
         }
 
         $item->setTags($this->tags);
@@ -111,7 +112,7 @@ public function save(CacheItemInterface $item)
     public function saveDeferred(CacheItemInterface $item)
     {
         if (!$item instanceof TaggableCacheItemInterface) {
-            throw new InvalidArgumentException('Cache items are not transferable between pools. Item MUST implement TaggableCacheItemInterface.');
+            throw new \InvalidArgumentException('Cache items are not transferable between pools. Item MUST implement TaggableCacheItemInterface.');
         }
 
         $item->setTags($this->tags);
diff --git a/src/Cache/Recording/CachePool.php b/src/Cache/Recording/CachePool.php
index 6be2208..9ba58b6 100644
--- a/src/Cache/Recording/CachePool.php
+++ b/src/Cache/Recording/CachePool.php
@@ -21,6 +21,8 @@
  * @author Aaron Scherer <aequasi@gmail.com>
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
  * @author Nicolas Grekas <p@tchwork.com>
+ *
+ * @internal
  */
 class CachePool implements CacheItemPoolInterface
 {
diff --git a/src/Cache/Recording/Factory.php b/src/Cache/Recording/Factory.php
index e19ff73..a7a7cb1 100644
--- a/src/Cache/Recording/Factory.php
+++ b/src/Cache/Recording/Factory.php
@@ -20,6 +20,8 @@
  * Create a recording CachePool.
  *
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ *
+ * @internal
  */
 class Factory
 {
diff --git a/src/Cache/Recording/HierarchyAndTaggablePool.php b/src/Cache/Recording/HierarchyAndTaggablePool.php
index 3cf65d9..718251c 100644
--- a/src/Cache/Recording/HierarchyAndTaggablePool.php
+++ b/src/Cache/Recording/HierarchyAndTaggablePool.php
@@ -15,6 +15,8 @@
 
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ *
+ * @internal
  */
 class HierarchyAndTaggablePool extends TaggablePool implements HierarchicalPoolInterface
 {
diff --git a/src/Cache/Recording/HierarchyPool.php b/src/Cache/Recording/HierarchyPool.php
index 82ca7b8..a33a17c 100644
--- a/src/Cache/Recording/HierarchyPool.php
+++ b/src/Cache/Recording/HierarchyPool.php
@@ -15,6 +15,8 @@
 
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ *
+ * @internal
  */
 class HierarchyPool extends CachePool implements HierarchicalPoolInterface
 {
diff --git a/src/Cache/Recording/TaggablePool.php b/src/Cache/Recording/TaggablePool.php
index 091e9fe..0057537 100644
--- a/src/Cache/Recording/TaggablePool.php
+++ b/src/Cache/Recording/TaggablePool.php
@@ -15,6 +15,8 @@
 
 /**
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ *
+ * @internal
  */
 class TaggablePool extends CachePool implements TaggableCacheItemPoolInterface
 {
diff --git a/src/DataCollector/CacheDataCollector.php b/src/DataCollector/CacheDataCollector.php
index 39f469d..d371383 100644
--- a/src/DataCollector/CacheDataCollector.php
+++ b/src/DataCollector/CacheDataCollector.php
@@ -20,6 +20,8 @@
 /**
  * @author Aaron Scherer <aequasi@gmail.com>
  * @author Tobias Nyholm <tobias.nyholm@gmail.com>
+ *
+ * @internal
  */
 class CacheDataCollector extends DataCollector
 {