smoothtail_1.1.0:
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- Corrected bug in qgpd: max(p) instead of max(x).
- Updated references.
- Modified Pickands' estimator according to paper.

smoothtail 1.0 (initial version)
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- Provide functions to estimate the shape parameter gamma of a Generalized
  Pareto Distribution based on the fact that its density is log-concave
  for gamma in [-1,0].
  Depends on the package logcondens.
