*********************************
	Changes in segmented
*********************************


==============
version 0.2-6
==============
* vcov.segmented added
* option var.diff for robust covariance matrix has been added in summary.segmented, print.summary.segmented, slope, and confint.
* Some bugs fixed


==============
version 0.2-7
==============
* A sort of automatic procedure for breakpoint estimation is implemented. See argument
	stop.if.error in seg.control()
* davies.test() now accepts a one-sided formula (~x) rather than character ("x") to mean the
	segmented variable to be tested. davies.test also gains the arguments `beta0' and `dispersion'
* Some bugs fixed