modified gitignore to ignore pyinstaller build directory.  removed pyinstaller directory
removed ds.py cli.py added downstream.py.  removed entry point from setup.py
added signing on client side
added siggy dependency
adding signature.txt as example to repo
trying to add signature.txt...
still trying...
ok added signature.txt example signature to repo.
modified travis config
fixed quoting issue...
another quote fix.
modified changelog, changed to execution of wrapper script.
reverted some small changes.  signature with json file now since its so much simpler.
pep8
added back in installation...
fixed unit tests.
adding documentation.  improving error messages
added example identities.json
slight error message modification
pep8 fixes