Release 1.0.0
Merge branch 'pre-release' into release
Merge branch 'master' into release
Release 1.1.0
Fixed issue with setup not running sdist, added prebuilt dist.
Merge branch 'pre-release' into release
Merge branch 'pre-release' into release
Release 1.2.0
Merge branch 'master' into release
Release 1.2.1 - added url to setup.py
Added ytsub to PyPI.  Updated README install instructions.
Added ytsub to PyPI