2016-11-07  Leopoldo Catania <leopoldo.catania@uniroma2.it>
	* DESCRIPTION (Version): New version is 0.1.5.
	* "snorm" is now the skew normal distribution
	reparametrized in terms of mean and standard deviation.
	In the previous "snorm" of version 0.1.4 there was also a
	bug in the unmapping function.
	* Bug correction for quantile function and cdf of "norm".
	* Bug correction for static optimization
2017-03-20   Leopoldo Catania <leopoldo.catania@uniroma2.it>
 * DESCRIPTION (Version): New version is 0.1.6.
 * New method residuals
 * New method summary
 * Test files corrected
 * The coef method for "uGASRoll", "mGASRoll", "uGASFit", "mGASFit"
 now accept the additional logical argument do.list (defauls do.list = FALSE)
 * The plot method now accepts the additional character argument "which" (default which = NULL)
 * The plot method now does not call dev.off()
 * Corrected bug in the plot method for objects mGASFit and mGASSim
 * Corrected bug for getMoments method for the mGASSim object
 * UniGASSim() and MultiGASSim() now accept an uGASFit and mGASFit object as principal argument
 * Corrected bug for information matrix in the sstd case
 * Bug correction for DistInfo("ast1")
 * The user can now provide her personal optimizer
 * mapping functions are now roboust to numerica under/overflow
 * added warning for non positive definite hessian matrices
 * added documentation for the plot method
 * Added CITATION