Significant changes to the soma package are laid out below for each release.

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VERSION 1.1.1

- A short README file has been added to the package.
- The LICENCE file is no longer needed and has been removed.

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VERSION 1.1.0

- A plot function has been added for "soma" objects, which shows the history of
  leader cost values during the optimisation.
- The length of the cost history should no longer exceed the maximum number of
  migrations specified.
- The package now has a formal namespace.

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VERSION 1.0.0

- First public release.

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