v0.5.0

Added

• New bigchaindb set-replicas subcommand: Pull Request #392
• Informative JSON message when one makes a request to the root endpoint of the HTTP client-server API: Pull Request #367
• Return HTTP response code 404 when a transaction is not found: Pull Request #369

Changed

• Changed the order in which configuration settings get their values. If a setting is set by an environment variable, then that value will be the value, regardless of whether another value is set in a local config file. Also added a method to programattically update the config settings. Pull Request #395
• Changed the definition of util.sign_tx(). It now has a third, optional argument: a Bigchain instance. Pull Request #410

Notes

• Several additions and changes to the documentation: Pull Requests
  #388,
  #393,
  #397,
  #402,
  #403,
  #406,
  #408