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f8f7f2fc4c
Previously, all specs had to be pre-allocated by using the 'add_history' function. This is now no longer required and instead serves as a hint to the HistoryContainer to pre-allocate the space for the given spec. History can grow by increasing the length for a frequency, adding a frequency, or adding a field. It can grow with any combination of these. HistoryContainer now is aware of the data_frequency of the algorithm, and no longer uses the daily_at_midnight flag; instead, this is the default behavior.