- Work done on Repository and QueryBuilder -- fixed some minor bugs and added some delete() functions

- Added a generic SQL query function to PDOObject

src/QueryBuilder.php

@@ -38,6 +38,19 @@ class QueryBuilder
 
         return $this;
     }
+    
+    
+    public function delete(string $alias = "") : self
+    {
+        if ( ! $this->has(Query\Delete::class) ) {
+            $delete = new Query\Delete();
+            
+            $delete->alias = $alias;
+            $this->push($delete);
+        }
+
+        return $this;
+    }
 
     public function from($table, $alias = null, $database = null) : self
     {