Stepsim

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Released on 11 April 2011.

Added Converter.revert() which reverts the last draw performed by the converter.
It is called before a converter is removed from a simulation.

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Released on 8 April 2011.

Added function stepsim.milestones() which takes a condition string and a list of
Converters and computes the milestones to be completed to meet the condition.
Changed default log level to logging.WARNING and added function
stepsim.loglevel() to conveniently be able to set the log level. Minor fixes.

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Released on 7 April 2011.

Added Simulation.check() to conveniently check a condition of the simulation
using a string. Added Simulation.estimate_finish() which creates a copy of the
Simulation instance and runs it until a break condition occurs. Added function
be_quiet() to stop logging to stderr and stdout.

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Released on 04 April 2011.

Replaced Simulation.container_list and Simulation.converter_list by dicts.
Minor fixes.

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Released on 29 March 2011.

Added convenience functions stepsim.log_to_stderr() and stepsim.log_to_stdout()
to conveniently activate logging to stderr and stdout, respectively.

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Released on 22 March 2011.

Converters can now be removed from a simulation. Converters now signal which
container they are accessing for realtime visualisation purposes. Several fixes
and improvements.