Merge pull request #43 from dblodgett-usgs/master

Ready to incorporate and see if Jenkins tests still run. Local tests all check out.
Merge pull request #44 from dblodgett-usgs/master

A quick little python version fix.
Merge pull request #45 from dblodgett-usgs/master

Final fix for ArcGIS integration.
Merge pull request #46 from dblodgett-usgs/master

Trying to handle network exceptions more gracefully.
Merge pull request #47 from dblodgett-usgs/master

Modified tests to hit QA servers.
Update README to add info about pip and homebrew

pip is the preferred method for installing python packages these days and homebrew is the best package manager for Mac OS X (IMHO).
Merge pull request #48 from cameronbracken/master

Update README to add info about pip and homebrew
Pulling in a change from Parker Norton that fixes an issue he was having with the upload workspce not working right, all tests pass still.