PR113 Improves fail-proof ness (thanks Matus Jasnicky)
PR114 Raise an exception if an infinite loop occurs (thanks Matus Jasnicky)
PR116 Fixes unpack_wide function to accomodate changes in Python3 (thanks Josh Grunzweig)
PR117 Improve detection of infinite loop from _typeseq_iter (thanks Matus Jasnicky)
PR124 Manifest.py has multiple bugs when using the cli function and is not usable (thanks Connor E. Basile)
PR125 Get the first element of tuple before interacting with it in the get_requires method (thanks Daniel García Frías)
PR126 Fixes invalid sentinel for file iteration (thanks Sergey Ilinykh))
PR127 M2Crypto becomes an optional dependency. The crypto module adds a new `crypto_enabled` function to check this, and a `CryptoDisabled` exception for API calls which are invoked when M2Crypto isn't available.
Change Cheetah3 pip dependency for CT3
moves to tox for unittesting, flake8, and bandit integration