Merge pull request #8 from mf16/master

Update get call to include optional default

Author: akiyamaSM

README.md

@@ -54,13 +54,13 @@ And then just you have to manipulate the settings.
 
 
 ```php
-
-// Get the value of the API_GOOGLE key, null if it doesn't exist
-
 use Inani\LaravelNovaConfiguration\Helpers\Configuration;
 
+// Get the value of the API_GOOGLE key, null if it doesn't exist
 $value = Configuration::get('API_GOOGLE');
 
+// Get the value of the FOO key, 'BAR' if it doesn't exist
+$value = Configuration::get('FOO', 'BAR);
 ```
 
 #### Updating the sidebar bar label

src/Helpers/Configuration.php

@@ -15,12 +15,12 @@ class Configuration extends Model
      * @param $key
      * @return mixed
      */
-    public static function get($key)
+    public static function get($key, $default = null)
     {
         $line =  self::getElementByKey($key);
 
         if(is_null($line)){
-            return null;
+            return $default;
         }
 
         return $line->value;
@@ -80,4 +80,4 @@ public static function setById($id, $key, $value)
 
         return true;
     }
-}
+}