fixed a bug in sequencestate.add_child (not that it's being used!)
fixed a bug in sequencestate.add_child (not that it's being used!)

git-svn-id: bdf75b1bfcc18054f1b952aa03c07a66df5c6292@312 99bd3f52-245c-3848-8005-63e5fbd5b414

pushups/cosy,pushups/cosy,adamjmurray/cosy