Merge pull request #18 from nathanathan/develop

Adding better support for running from terminal
Merge pull request #19 from nathanathan/develop

Bug fixes
Fixed typo in readme
ignore blank column names
Merge pull request #20 from bderenzi/master

One bug fix
Merge pull request #21 from nathanathan/develop

Merge to fix or_other bug
accidentally had my username in readme. not what we want
Merge pull request #22 from bderenzi/master

Sorry, had a typo
Merge pull request #3 from UW-ICTD/master

Merge