adds extra arguments to is_active_trail and active_trail_nodes methods
add function get_independencies and latex_string to Independencies and IndependenceAssertion Class
changed get_cpd method to return numpy array
updated tests
resolves conflicts
changed import of setup from distutils.core to setuptools
Merge branch 'dev' of https://github.com/pgmpy/pgmpy into dev
removed scipy from travis
corrects __init__ method
corrects setup.py
update .travis.yml
Merge branch 'dev' of https://github.com/johnymontana/pgmpy into dev
playing with setup.py
edit travis.yml
update travis
update setup.py
update setup
corrects tests
Merge pull request #76 from ankurankan/dev

adds extra arguments to is_active_trail and active_trail_nodes methods