def annotationsFor(link, idea):
Calculates what is the seq_no that should be sent, based on the last
dataset/ETHPy150Open twisted/imaginary/imaginary/iimaginary.py/ILinkAnnotator.annotationsFor--crossover with--dataset/ETHPy150Open Doist/todoist-python/todoist/api.py/TodoistAPI._get_seq_no