Merge tag 'v0.5.4' into develop

Fix bug in Eloquent adapter

Author: lindyhopchris

CHANGELOG.md

@@ -2,6 +2,12 @@
 All notable changes to this project will be documented in this file. This project adheres to
 [Semantic Versioning](http://semver.org/) and [this changelog format](http://keepachangelog.com/).
 
+## [0.5.4] - 2016-12-21
+
+### Fixed
+- Bug in Eloquent adapter meant that a check for whether a resource identifier exists was checking whether the
+whole table had any rows, rather than the specific id.
+
 ## [0.5.3] - 2016-12-01
 
 ### Fixed

src/Adapters/EloquentAdapter.php

@@ -67,14 +67,14 @@ public function recognises($resourceType)
 
     /**
      * @param ResourceIdentifierInterface $identifier
-     * @return mixed
+     * @return bool
      */
     public function exists(ResourceIdentifierInterface $identifier)
     {
         $model = $this->resolve($identifier->getType());
         $key = $this->resolveQualifiedKeyName($model, $identifier->getType());
 
-        return $this->newQuery($model)->exists($key, $identifier->getId());
+        return $this->newQuery($model)->where($key, $identifier->getId())->exists();
     }
 
     /**