Version 1.0.3

Citations to published book (Heath et al) added.

Version 1.0.2

Fix for test of reference option

Version 1.0.1

Bug fix for evppi(...,check=TRUE) with multiple WTPs
pars no longer required for evsi() with regression methods
Reference decision option can be supplied for nonparametric regression with ref argument to evppi()

Version 1.0

Initial CRAN release