fix bug

The main solution is to solve the bugs encountered in using database alone

README.md

@@ -61,8 +61,10 @@ The service provider will register a mongodb database extension with the origina
 For usage outside Laravel, check out the [Capsule manager](https://github.com/illuminate/database/blob/master/README.md) and add:
 
 ```php
-$capsule->getDatabaseManager()->extend('mongodb', function($config)
+$capsule->getDatabaseManager()->extend('mongodb', function($config, $name)
 {
+    $config['name'] = $name;
+
     return new Jenssegers\Mongodb\Connection($config);
 });
 ```

src/Jenssegers/Mongodb/Query/Builder.php

@@ -152,6 +152,8 @@ class Builder extends BaseBuilder
             $version = filter_var(explode(')', $version)[0], FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION); // lumen
             return version_compare($version, '5.3', '>=');
         }
+
+        return true;
     }
 
     /**