Rename _MOM/Q_Exp_Raw.py -> _MOM/Q_Exp.py
Add E_Type restrictions, RAW to MOM.Q_Exp._Get_
Add E_Type restrictions to MOM.DBW.SAW.QX

* Remove query attributes `my_group` and `my_person`

* Use E_Type restrictions in queries instead of `my_group` and
  `my_person`