Slightly reorganize model hierarchy

src/Model/API.php

@@ -16,12 +16,10 @@
 
 namespace Aviat\AnimeClient\Model;
 
-use Aviat\Ion\Model;
-
 /**
  * Base model for api interaction
  */
-class API extends Model {
+class API extends AbstractModel {
 
 	/**
 	 * Sort the list entries by their title
@@ -31,13 +29,13 @@ class API extends Model {
 	 * @param string $sort_key
 	 * @return void
 	 */
-	protected function sortByName(array &$array, string $sort_key)
+	protected function sortByName(array &$array, string $sortKey)
 	{
 		$sort = [];
 
 		foreach ($array as $key => $item)
 		{
-			$sort[$key] = $item[$sort_key]['titles'][0];
+			$sort[$key] = $item[$sortKey]['titles'][0];
 		}
 
 		array_multisort($sort, SORT_ASC, $array);

src/Model/AbstractModel.php

@@ -0,0 +1,26 @@
+<?php declare(strict_types=1);
+/**
+ * Hummingbird Anime List Client
+ *
+ * An API client for Kitsu and MyAnimeList to manage anime and manga watch lists
+ *
+ * PHP version 7
+ *
+ * @package     HummingbirdAnimeClient
+ * @author      Timothy J. Warren <tim@timshomepage.net>
+ * @copyright   2015 - 2017  Timothy J. Warren
+ * @license     http://www.opensource.org/licenses/mit-license.html  MIT License
+ * @version     4.0
+ * @link        https://github.com/timw4mail/HummingBirdAnimeClient
+ */
+
+namespace Aviat\AnimeClient\Model;
+
+use Aviat\Ion\StringWrapper;
+
+/**
+ * Base class for Models
+ */
+abstract class AbstractModel {
+	use StringWrapper;
+}

src/Model/DB.php

@@ -17,12 +17,11 @@
 namespace Aviat\AnimeClient\Model;
 
 use Aviat\Ion\Di\{ContainerAware, ContainerInterface};
-use Aviat\Ion\Model;
 
 /**
  * Base model for database interaction
  */
-class DB extends Model {
+class DB extends AbstractModel {
 	use ContainerAware;
 
 	/**