1.1.0	(April 30, 2019)
	* glmmML: argument 'contrasts = NULL' added.
	* glmmboot: argument 'contrasts = NULL' added.

1.0.3   (March 25, 2018)
	* Change '&' to '&&' in relevant places in C code.

1.0.2	(May 3, 2017)
	* Register Fortran and C calls.

1.0.1	(February 9, 2017)
	* Remove DUP in foreign calls.
	* Check for NaN in C code (rudimentary).

1.0	(November 17, 2013)
	* Rprintf is replacing printf everywhere in the C code.

0.82-1	(August 8, 2011)
	* glmmboot: Bug in calculation of 'frail' fixed.

0.82: 	(June 22, 2011)
	* glmmML: Fixed a bug by sorting weights.
	* extractAIC: added method for glmmML and glmmboot.
	* nobs: Added method for glmmML and glmmboot.

0.81-8: (March 21, 2011)
	* Added a Vignette.
	* Added a p-value (based on LR test) of clustering.

0.81-7: (April 19, 2010)
	* glmmML: Return of design matrix made possible

0.81-5	(May 29, 2009)
	* glmmboot contained a bug in the bootstrapping procedure. Fixed.

0.81-4	(Feb 11, 2009)
	* posterior.means corrected (multiplication by sigma_hat missing
	earlier). Thanks to Rob Strawderman for pointing it out.

