adding only/unless support
adding unit tests
pushing for travis build
using six module string types
adding six to requirements.txt
adding travis badge
removing old files
Merge branch 'master' of github.com:jdolitsky/dockerspaniel.py
adding coveralls badge
pypi files
Merge branch 'master' of github.com:jdolitsky/dockerspaniel.py
adding pypi badge
fixing setup.py
Merge branch 'master' of github.com:jdolitsky/dockerspaniel.py
fixing setup.py (again)
adding requirements.txt to MANIFEST.in
Merge pull request #1 from jdolitsky/master

unit tests, travis, pypi, etc