1.4.1:

* Fixed cleaning up weak references in weakobjectmap during shutdown
Changes in version 2.0.1
------------------------

  * Initialize default cipher priorities on Session

Changes in version 2.0.0
------------------------

  * Swtich to GnuTLS 3 (>= 3.1.4)
  * Added gnutls_certificate_verify_peers3
  * Add dependency on libgnutls
  * Remove no longer needed workaround for ctypes
  * Avoid sending empty data to peer
  * Add count command line option to tc-openssl
  * Bumped Debian Standards-Version
  * Only build Debian package for Python >= 2.7