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* Deprecate the "set_data" method of the ABCSMC class.
Use the "new" method instead.
* Add a "load" method to the ABCSMC class for easier resuming stored ABCSMC
runs.
* Add an example to the documentation how to resume stored ABC-SMC runs.
* Rename the acceptance_rate parameter form ABCSMC.run to min_acceptance_rate
for clarity. Usage of acceptance_rate is deprecated.
* Various documentation improvements, correcting typos, clarifications, etc.