- More work done on Update, Insert and Delete clause

- Added TOP property to select and delete to fit MSSQL limit's term.
- Added a new interface allowing object's manipulation on save() and load() queries

src/Entity/Field/Date.php

@@ -2,13 +2,11 @@
 
 namespace Ulmus\Entity\Field;
 
-use DateTime;
-
-class Date extends DateTime {
+class Date extends Datetime {
     
     public function __toString()
     {
         return $this->format("Y-m-d");
     }
-    
+
 }