Changes in version 0.2.4
  o Fixed URL in DESCRIPTION

Changes in version 0.2.2
  o Small change to help file

Changes in version 0.2.2
  o Added thresholding and minimum sum score correction to EstimateIsing Uni method
  o 'uni' is now the default for EstimateIsing

Changes in version 0.2.1
  o Added an option to IsingLikelihood to return the potential of each state

Changes in version 0.2:
  o Added methods for estimating the Ising model without regularization, see ?EstimateIsing