def __neg__(self):
return self.negated()<EOL>
Negates the current state of the query.

:sa     negate

:return     self

:usage      |>>> from orb import Query as Q
            |>>> query = (Q('test') == 1) & (Q('name') == 'Eric')
            |>>> print -query
            |NOT (test is  1 and name is Eric)