add update and forget aliases

Author: cklmercer

README.md

@@ -58,6 +58,7 @@ $user->settings('some.setting'); // Quicker access.
 $user = App\User::first();
 
 $user->settings()->set('some.setting', 'new value');
+$user->settings()->update('some.setting', 'new value');
 ```
 
 ##### 4.) Determine if the model has a specific setting.
@@ -72,6 +73,7 @@ $user->settings()->has('some.setting');
 $user = App\User::first();
 
 $user->settings()->delete('some.setting');
+$user->settings()->forget('some.setting');
 ```
 
 ## License

src/HasSettings.php

@@ -29,11 +29,12 @@ public function setSettingsAttribute($settings)
     /**
      * The model's settings.
      *
-     * @param  null $key
+     * @param  string|null $key
+     * @param  mixed|null $default
      * @return Settings
      */
-    public function settings($key = null)
+    public function settings($key = null, $default = null)
     {
-        return $key ? $this->settings()->get($key) : new Settings($this);
+        return $key ? $this->settings()->get($key, $default) : new Settings($this);
     }
 }

src/Settings.php

@@ -64,6 +64,18 @@ public function delete($path = null)
         return $this->apply($settings);
     }
 
+    /**
+     * Forget the setting at the given path.
+     *
+     * @alias  delete()
+     * @param  null $path
+     * @return array
+     */
+    public function forget($path = null)
+    {
+        return $this->delete($path);
+    }
+
     /**
      * Return the value of the setting at the given path.
      *
@@ -107,4 +119,17 @@ public function set($path = null, $value = [])
 
         return $this->apply($settings);
     }
+
+    /**
+     * Update the setting at the given path if it exists.
+     *
+     * @alias  set()
+     * @param  string $path
+     * @param  mixed $value
+     * @return $this|array
+     */
+    public function update($path, $value)
+    {
+        return $this->set($path, $value);
+    }
 }