added docs for tools
unit test for severe_impacts
fix for expected values
change logic for prioritizing biotype in severe_impacts
new ensembl version support for pathways
add comments
Merge pull request #108 from udp3f/master

bug-fix, unit-tests, new pathway files
Merge pull request #109 from roryk/master

Naming changes
allow multiple rows for gt_filter
Merge branch 'master' of github.com:arq5x/gemini
use easy_install to install pip