Changes in version 0.3-1                        

    o   none.  CRAN required changes to test results.

                  Changes in version 0.3 (2017-03-26)                   

    o   make constancy return a sparse matrix

    o   fix constancy to also have directions of constancy for nodes whose
	predecessors are almost surely zero

    o   fix transformUnconditional to deal with sparse constancy matrices

    o   modernize registration of native routines

                 Changes in version 0.2-1 (2015-05-11)                  

    o   fix spelling error in DESCRIPTION file (CRAN checks spelling)

                         Changes in version 0.2                         

    o   hornworm dataset (data for Eck, et al.)

    o   fixes to validasterdata
	- check for zero truncated Poisson did not check that y_j >= y_p(j).
	    Fixed.
	- check names of input data frame did not note that reshape (which
	    this function uses) will take a column named "id" to be the idvar
	    whether or not this is intended.  Now warns.