Version 1.6
	o In DESCRIPTION, include author information in Authors@R format.
	o In src/nnnpls.f and src/lawson_hanson_nnls.f, replace
	  computed GO TO statements with select case statements 
Version 1.4
	o Add bvls, quadprog to Suggests
	o In src/nnnpls.f and src/lawson_hanson_nnls.f,
	  deal with Fortran 2018 deleted features:
	  DO termination statement which is not END DO or CONTINUE, and
	  Arithmetic IF statement
	o In R/nnls.R, check that arguements are not NA, NaN, NULL or Inf, and
	  have compatible dimensions; thanks to Jonas Freimuth for the
	  bug report that motivated these checks
	o Package title to title case