v0.4.1

Added

• Revert bigchain deletes: Pull Request #330

Changed

• Use inverted threshold condition instead of negative weights for escrow: Pull Request #355

Fixed

• Removed duplicate pytest in setup.py: Pull Request #365

Notes

• There were several additions and changes to the documentation: Pull Requests
  #343,
  #363,
  #364,
  #366,
  #370,
  #372