CHANGES IN ROTS 1.27.1
- Added support for survival analysis

CHANGES IN ROTS 1.6.0
- Added support for testing multiple groups
- Bug fixes

CHANGES IN ROTS 1.0.0
- Added log fold change in output.
- Added default plotting for ROTS class objects
- Added support for paired tests
- Updated vignette
- Bug fixes
- Modified for Bioconductor release
