* Version 0.2.2 <2013-05-21>
  - Updated twinlm. bptwin: OS analysis 
     - Better starting values for twinlm
  - Fixed claytonaokes.cpp
  - New fast cox ph regression: phreg
  - Updated two-stage estimator
  - Improved fast.reshape

* Version 0.2 <2013-03-27>
  - fast.reshape
  - easy.binomial.twostage

* Version 0.1-4 <2012-05-09>
  - Fixed cor.cpp
  - New datasets: twinstut, twinbmi, prtsim

* Version 0.1-3 <2012-05-07>
  - twinlm moved to mets package, and wraps the bptwin function

* Version 0.1-2 <2012-05-06>
  - code clean-up and minor bug-fixes

* Version 0.1-1 <2012-05-06>

  - Random effects CIF models moved from MultiComp to mets
  - new data sets: np, multcif
  - Documentation via roxygen2
  - bug fixes

* Version 0.1-0 <2012-04-25>

  - Initialization of the new package 'mets' with implementation of the
    Clayton-Oakes model with piecewise constant marginal hazards, and
    the bivariate probit random effects model (Liability model) for
    twin-data.