Maintenance Release

New Features

• Add PenalizedAcquisitionFunction wrapper (#585)
• Input transforms
  • Reversible input transform (#550)
  • Rounding input transform (#562)
  • Log input transform (#563)
• Differentiable approximate rounding for integers (#561)

Bug fixes

• Fix sign error in UCB when maximize=False (a4bfacbfb2109d3b89107d171d2101e1995822bb)
• Fix batch_range sample shape logic (#574)

Other changes

• Better support for two stage sampling in preference learning
  (0cd13d0)
• Remove noise term in PairwiseGP and add ScaleKernel by default (#571)
• Rename prior to task_covar_prior in MultiTaskGP and FixedNoiseMultiTaskGP
  (16573fe)
• Support only transforming inputs on training or evaluation (#551)
• Add equals method for InputTransform (#552)