2019/09/24:  Pietro Coretto  <pcoretto@unisa.it>
================================================
* updated to version 1.3	
* fixed  citations
	

	
2019/09/23:  Pietro Coretto  <pcoretto@unisa.it>
================================================
* updated to version 1.2
* Updated  CITATION file

	
	
2017/06/24:  Pietro Coretto  <pcoretto@unisa.it>
================================================
* v 1.2
* Old approximate EM algorithm replaced with ECM algorithm of Coretto and Hennig
  proposed in <https://arxiv.org/abs/1309.6895>
* Parallelization introduced in otrimle()
* Added CITATION file with updated references
