Fix SF # 1741182, Warning about comparison checking with bool false alert for 'in' added OP.IN_COMPARISON and OP.NOT_IN_COMPARISON constants.
Fix SF # 1741182, Warning about comparison checking with bool false alert for 'in'
added OP.IN_COMPARISON and OP.NOT_IN_COMPARISON constants.

akaihola/PyChecker,akaihola/PyChecker,thomasvs/pychecker,thomasvs/pychecker