Initialized on September 16, 2011.

09/16/11: initialize the package.
11/13/11: update perm.test to enable user-defined fun's.
11/15/11: add gof function for 'em' (maybe also 'bde' or known 
       distributions by distribution names (character)).
11/27/11: merge binem with bfmm.  Fixed several bugs in mixedmodel.c
       Adjust AIC/AICc?BIC due to the data transformation.
11/28/11: density: for transformed/untransformed data; 
       and x0 given or not given.
12/31/11: change package name to BDA.  Add functions/data for CSDA paper.
01/06/12: change package name back to bda.
07/22/12: add data 'zr' (OFC data analysis for a monograph to be published).
07/23/12: change 'binning' to 'rounding' (different binning schemes will be 
	added for smoothing).
07/24/12: update function "hits" to add 'weights' option and some others.  	
	Update function "edf" by adding weights option.
	Update "pcb" method.
07/25/2012:  adding KernSmooth as a dependent R package.  