0.3.1 Aug 23:
  o Add libssl-dev requirement for pyOpenSSL.
  o Make the server ping call be async inside events'
    ensure_server. Fixes #3355.
  o Requirements in setup are taken from requirements.pip
  o Updated requirements.
  o Add IMAP_UNREAD_MAIL event.
  o Add events for SMTP relay signaling. Closes #3464.
  o Add events for imap and keymanager notifications. Closes: #3480
  o Add versioneer to handle versioning.

0.3.0 Aug 9:
  o OSX: Fix problem with path prefix not returning the correct
    value. Fixes #3273.
  o Check if schema exists before load a config. Related to #3310.
  o Handle schemas and api versions in base class. Related to #3310.

0.2.7 Jul 26:
  o Refactor events so components are now called clients. Closes #3246
  o Add leap_check helper method, to use whenever leap_assert does not
    apply. Related to #3007.

0.2.6 Jul 12:
  o Improve leap_assert so that it only prints the traceback from the
    leap_assert call up. Closes #2895
  o Add OSX temp directories to the basetests class.

0.2.5 Jun 28:
  o Bugfix: use the provider's default language as default
    string. Also take care (and note) a possible case with a
    problematic provider misconfiguration. Closes #3029.
  o Add data files to setup and manifest (certificates for tests)
  o Allow absolute paths in baseconfig.load
  o Fix deprecation warnings
  o Fix attempt to fetch private keys from server.
  o Fix missing imports
  o Add possibility of unregistering callbacks for a signal.
  o Add a mechanism for events signaling between components.
  o Prioritize the path_extension in the which method so it finds our
    bundled app before the system one, if any.
  o Move the Key Manager to leap client repository.
  o Move symmetric encryption code to leap.soledad.
  o Refactor opengpg utility functions implementation so it uses a
    context manager.
  o Add OpenPGP sign/verify
  o Add RAISE_WINDOW event
  o Add AES-256 (CTR mode) encrypting/decrypting functions using
    PyCrypto.