Merge pull request #2 from hmazter/fix-undefined-offset

Fix undefined offset property use in MySQLEngine::search

Author: damiantw

src/Engines/MySQLEngine.php

@@ -70,7 +70,7 @@ public function search(Builder $builder)
             $query = $query->take($this->builder->limit);
         }
 
-        if($this->builder->offset) {
+        if(property_exists($this->builder, 'offset') && $this->builder->offset) {
             $query = $query->skip($this->builder->offset);
         }