FIX: Python 3.x TravisCI build error
Merge pull request #21 from JDWarner/fix_travis2

FIX: Python 3.x TravisCI build error
FIX: Change range of lambda cut series not to overwrite support.
Merge pull request #23 from JDWarner/fix_lambda_cut_series

FIX: Change range of lambda cut series not to overwrite support.
FIX: Update to comply with new Travis build syntax.

Borrows features from scikit-image.
Merge pull request #24 from JDWarner/fix_travis_again

ENH/FIX: Overhaul Travis build