Scikit-rt

Improvements since 0.4.9 including: updated registration engines, ROI algebra, reduced memory usage when loading unsorted DICOM data.

Provides additional views for image display, and resolves issues relating to display of structure sets with no underlying image.

**Full Changelog**: https://github.com/scikit-rt/scikit-rt/compare/0.4.8...0.4.9

Creation and writing (DICOM format) of synthetic datasets

**Full Changelog**: https://github.com/scikit-rt/scikit-rt/compare/0.4.7...0.4.8

Changes to enable use of registration software under Windows

Additions and improvements

Updates and additions relating to image comparisons

**Full Changelog**: https://github.com/scikit-rt/scikit-rt/compare/0.4.4...0.4.5