Added pyDAL from repository, adapted web2py code

gluon/dal.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+
+from gluon.pydal import DAL as pyDAL
+from gluon.pydal import Field, SQLCustomType, geoPoint, geoLine, geoPolygon
+
+
+from gluon import serializers as w2p_serializers
+from gluon import validators as w2p_validators
+from gluon.utils import web2py_uuid
+from gluon import sqlhtml
+
+
+class DAL(pyDAL):
+    serializers = w2p_serializers
+    validators = w2p_validators
+    uuid = web2py_uuid
+    representers = {
+        'rows_render': sqlhtml.represent,
+        'rows_xml': sqlhtml.SQLTABLE
+    }