insight fixes

Author: Nyholm

.gitignore

@@ -21,4 +21,4 @@ script:
     - php -dzend_extension=xdebug.so vendor/bin/phpunit --coverage-clover=coverage.xml
 
 after_success:
-    - codecov
+    - codecov

.travis.yml

@@ -35,4 +35,4 @@
             "Cache\\Taggable\\Tests\\": "tests/"
         }
     }
-}
+}

LICENSE

@@ -12,7 +12,6 @@
 namespace Cache\Taggable;
 
 use Psr\Cache\CacheItemInterface;
-use Psr\Cache\CacheItemPoolInterface;
 
 /**
  * Use this trait with a CacheItemPoolInterface to support tagging.
@@ -121,8 +120,8 @@ private function getTagKey($name)
     /**
      * A TagId is retrieved from cache using the TagKey.
      *
-     * @param CacheItemPoolInterface $storage
-     * @param CacheItemInterface     $item
+     * @param \Psr\Cache\CacheItemPoolInterface $storage
+     * @param CacheItemInterface                $item
      *
      * @return string
      */