def reset(self):
        """Reset all fields, almost like creating a new object.

        Note: Forgets changes you have made not saved to database!
        (Remember: Others might reference the object already, expecting
        something else!) Override this method if you add properties not
        defined in _sqlFields.
        """
        self._resetID()
        self._new = None
        self._updated = None
        self._changed = None
        self._values = {}
        # initially create fields
        for field in self._sqlFields.keys():
            self._values[field] = None
Reset all fields, almost like creating a new object.

        Note: Forgets changes you have made not saved to database!
        (Remember: Others might reference the object already, expecting
        something else!) Override this method if you add properties not
        defined in _sqlFields.