major changes

dao/device/device.py → app/dao/device/device.py

 from psycopg2 import sql
-from misc import with_psql
+from app.helpers.misc import with_psql
 
 @with_psql
 def create_datatable(cur, appkey, dev_id):

dao/pend/pend.py → app/dao/pend/pend.py

-from misc import with_psql
+from app.helpers.misc import with_psql
 
 @with_psql
 def create(cur, appkey, devid, msg):

dao/user/user.py → app/dao/user/user.py

-from misc import with_psql
+from app.helpers.misc import with_psql
 import bcrypt