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

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VERSION 0.2.0

- Added an option to niftyreg() to control the type of interpolation that is
  applied to the final coregistered image.
- Performing better type checking of image data before passing it to the C++
  code, to avoid intermittent errors from R.
- Documentation improvements.

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VERSION 0.1.0

- First public release. 3D affine and rigid-body registration are available.

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