Changes in Version 0.2-0
- Fixed a bug on the enlargement of the active set algorithm in function 'scar'
- Added functions that can handle generalised additive index models
- Added three datasets: PhD publication, Decathlon (raw) and Decathlon (scores) 

Changes in Version 0.2-1
- Main Arxiv reference added
- Rewrote the option of the non-negativity on all entries of the index matrix 
  in function 'scair' that deals with the additive index models  

Changes in Version 0.2-2
- Reference updated
- Namespace file updated to compile with the new requirements
- Maintainer's email address updated