DFIT 1.0-1
==========


* added functionality to CutoffIpr so that it may calculate the asymptotic variance-covariance matrices without
* providing them. Also added parameter nullGroup to specify which item parameters should be considered for the item
* replicates when calculated by the function.

* added logistic parameter to DeltaMhIrt function

* removed use of not exported functions in the demos

DFIT 1.0-2
==========

* fixed CITATION

DFIT 1.0-3
==========

* fixed citation to Raju, van der Linden & Fleer's 1995 paper.
* now imports stats functions that resulted in no visible bindings in more recent versions of R.
* added citation to JSS paper.
