-Standardize debugging code via R
-Standardize debugging code for command line
-Clean up ifdef statements
-Clean up misc debugging code
-Add simulpln function
-BCL Rasch model
-Output starting values used in estimation
-Output number of iterations and convergence for all functions
-Output call for each function (e.g., match.call)
-Move input checking for estimation options to different function
-Add PACKAGE argument to calls to C?
