2014-04-08 Sy Han Chiou <schiou@d.umn.edu>
	* changes made based on comments from JSS paper

2013-12-09 Sy Han Chiou <schiou@d.umn.edu>
	* summary with B = 0
	* print aftsrr
	* changes in responds to JSS revision
	
2013-10-25 Sy Han Chiou <schiou@d.umn.edu>
	* Rename smoothrr with aftsrr
	* Code clearned
	* add method to aftsrr

2013-09-24 Sy Han Chiou <schiou@d.umn.edu>
	* Added Iterative approach with monotone function

2013-07-16 Sy Han Chiou <schiou@d.umn.edu>
	* Modified the smoothrr function so that no matter intercept is specified, smoothrr only analyze without intercept
	* Some Generic functions (coef, vcov, residuals) were added

2013-05-26
	* Case cohort weight applied to least square approach
	* General weights with gehan's estimating equation

2013-05-15  Sy Han Chiou <steven.chiwqou@uconn.edu>
	* Changed contact eamil from steven.chiou@huskymail.uconn.edu to steven.chiou@uconn.edu
	* Argument ID is no longer required by when cluster sizes are one

2013-04-12  Sy Han Chiou <steven.chiou@uconn.edu>
	* added extension to GP weight
	* removed gehan weight in PW

2013-03-19  Sy Han Chiou <steven.chiou@uconn.edu>
	* added iterative procedure for general weights in rank-based approach.
	* added gehan weight in PW

2013-01-02  Sy Han Chiou <steven.chiou@uconn.edu>
	* report the sample beta used in MB
	* changes to pass R 2.15.2

2012-10-17  Sy Han Chiou <steven.chiou@uconn.edu>
	* More changes in CF

2012-10-13  Sy Han Chiou <steven.chiou@uconn.edu>
	* Some names changed, arguments' order re-arranged
	* CF for clustered data

