Add limit method to query builder

Author: iamfredric

src/QueryBuilder.php

@@ -104,6 +104,13 @@ public function paginate($limit = null)
         return new Pagination($posts);
     }
 
+    public function limit($limit)
+    {
+        $this->setArgument('posts_per_page', $limit);
+
+        return $this;
+    }
+
     protected function buildItem($post)
     {
         if ($this->model) {
@@ -211,6 +218,10 @@ protected function resolveMethodCall($method, $args)
             return $this->buildMetaWhere($args);
         }
 
+        if ($key == 'limit') {
+            return $this->limit($args[0]);
+        }
+
         return $this->buildWhere($key, $value);
     }