Fix a bug where SickRage won't process failed downloads because the directory doesn't exist
Specify Python version to use
Merge pull request #450 from nightexcessive/bugfix/nzbget-dir-not-exist

Fix a bug where SickRage won't process failed downloads
Merge pull request #451 from nightexcessive/bugfix/wrong-python-version

Specify Python version to use
Merge branch 'dev' into nightly