def __init__(self, table_name, field):
        DottedRef.__init__(self, table_name, field or 0)

        # Name == Alias for unbox expressions
        self.table_name = table_name
Reads the crashlog that the AppController writes on its own machine
dataset/ETHPy150Open uwescience/raco/raco/expression/expression.py/Unbox.__init__--crossover with--dataset/ETHPy150Open AppScale/appscale-tools/lib/remote_helper.py/RemoteHelper.collect_appcontroller_crashlog